diff --git a/pkgs/applications/networking/browsers/firefox-bin/beta_sources.nix b/pkgs/applications/networking/browsers/firefox-bin/beta_sources.nix
index 9d62b61c7923..9e77063d8af1 100644
--- a/pkgs/applications/networking/browsers/firefox-bin/beta_sources.nix
+++ b/pkgs/applications/networking/browsers/firefox-bin/beta_sources.nix
@@ -1855,5 +1855,623 @@
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       sha256 = "8bca45e1549d5dedb8e3ff67a6df7b3f212e82de1f6e21dbe1bb3cc355db03b4";
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+      locale = "nb-NO";
+      arch = "mac";
+      sha256 = "3e94a8833cd210cfacc9ae799b45100f2777bf335ce89cd10daa6782fa5d827b";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/ne-NP/Firefox%20138.0b9.dmg";
+      locale = "ne-NP";
+      arch = "mac";
+      sha256 = "edc8ae56c5e5f733fb4f1f3797ddcc18648beab71a6dcb5710d58c88bcdabc0e";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/nl/Firefox%20138.0b9.dmg";
+      locale = "nl";
+      arch = "mac";
+      sha256 = "b5ea1492bdde9f331941e3a144c0cf39dd9f6d1ad0b14c665fbc16ee5bcbbad9";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/nn-NO/Firefox%20138.0b9.dmg";
+      locale = "nn-NO";
+      arch = "mac";
+      sha256 = "dab593a0d0da7e1de4a594334d46a01c15559acf99ff0b3ec7c9de96606e989b";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/oc/Firefox%20138.0b9.dmg";
+      locale = "oc";
+      arch = "mac";
+      sha256 = "1a997538b490ae7b0ffa5730bd512fee30ed16b6481efc9f4b8865cdcc11a711";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/pa-IN/Firefox%20138.0b9.dmg";
+      locale = "pa-IN";
+      arch = "mac";
+      sha256 = "6cf83df70c0305777d507ff8f08403e3ecc8a13357cbaa7d794b8b620a6b3bb8";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/pl/Firefox%20138.0b9.dmg";
+      locale = "pl";
+      arch = "mac";
+      sha256 = "7a103ffd83a1fc9c90557763788da0f2f685880cfdc484cfeca8c03d99c9ec13";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/pt-BR/Firefox%20138.0b9.dmg";
+      locale = "pt-BR";
+      arch = "mac";
+      sha256 = "5d712dc61dc863f6d258664eee0eea47a2b98d01673b5a8f23314fc144eb96c5";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/pt-PT/Firefox%20138.0b9.dmg";
+      locale = "pt-PT";
+      arch = "mac";
+      sha256 = "117a6ccedfb44aee39e1b33d67918850beb248941133b946b1ba2eb3937ce65c";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/rm/Firefox%20138.0b9.dmg";
+      locale = "rm";
+      arch = "mac";
+      sha256 = "ea9fd934bc2ea79b4f60a236e4f08b9ee29849a97a00f275c35a39ec1a549810";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/ro/Firefox%20138.0b9.dmg";
+      locale = "ro";
+      arch = "mac";
+      sha256 = "210cf58461088963f09df095c9e7e28c5d3c28ef54c13e2d663207a06df4dbc9";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/ru/Firefox%20138.0b9.dmg";
+      locale = "ru";
+      arch = "mac";
+      sha256 = "f4a9f43946d0080def586c05d6dae8d99ca254564b25c98b589f2ada28179541";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/sat/Firefox%20138.0b9.dmg";
+      locale = "sat";
+      arch = "mac";
+      sha256 = "b9f4766bef95d0396c3e514e2147263031f2ace47e95cf03a914008f82f1d711";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/sc/Firefox%20138.0b9.dmg";
+      locale = "sc";
+      arch = "mac";
+      sha256 = "e3ec447d9bd7ca3c5e6faf787219c51616939af353d138eb046a9c3a7dd0e41b";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/sco/Firefox%20138.0b9.dmg";
+      locale = "sco";
+      arch = "mac";
+      sha256 = "cc68ae965a5fc76db8913c825277a713c4354f17990699aca44e2615dcc1352c";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/si/Firefox%20138.0b9.dmg";
+      locale = "si";
+      arch = "mac";
+      sha256 = "c967bf36c8407e96640023e3ea2767788326f1e4a603c57ba1802558e32cf378";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/sk/Firefox%20138.0b9.dmg";
+      locale = "sk";
+      arch = "mac";
+      sha256 = "261ffcc7347c30721c6599df5e1cc6eff4c6af91469249b7b83de9f77a48c80c";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/skr/Firefox%20138.0b9.dmg";
+      locale = "skr";
+      arch = "mac";
+      sha256 = "b9304083643702e16f3d2b045bb4f12ed4b4d1fa6038fc355b10ff9ac2a4cbe1";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/sl/Firefox%20138.0b9.dmg";
+      locale = "sl";
+      arch = "mac";
+      sha256 = "d9398bcb4c6704adeda82ff69e85ea2954eb1b8d1ad4510ced3b666ce7229e64";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/son/Firefox%20138.0b9.dmg";
+      locale = "son";
+      arch = "mac";
+      sha256 = "8336f98e45c49f598ba5e42abf42dca1c1a1bd112a74af624dfdc7f7046590f2";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/sq/Firefox%20138.0b9.dmg";
+      locale = "sq";
+      arch = "mac";
+      sha256 = "eed332ecd7d369babc277cb01b4bd4a8b1b20e57c31557c6e4443208277f58e5";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/sr/Firefox%20138.0b9.dmg";
+      locale = "sr";
+      arch = "mac";
+      sha256 = "6e9ceffdc326f8426328f47880babe33f91105902cc409468b9169b9cb88e89d";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/sv-SE/Firefox%20138.0b9.dmg";
+      locale = "sv-SE";
+      arch = "mac";
+      sha256 = "8c578aaee4d92e6964938502978e0926c48ab3af6b3babaf5ffff2766eaf58b4";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/szl/Firefox%20138.0b9.dmg";
+      locale = "szl";
+      arch = "mac";
+      sha256 = "0ce5ef3648a2ba59a1f33f5566d75c28a0dc113693d8d4008444694c25d85298";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/ta/Firefox%20138.0b9.dmg";
+      locale = "ta";
+      arch = "mac";
+      sha256 = "b89cadad05326eb7e29536142d555470da1f0ff350917bdc80762ebeed176ce8";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/te/Firefox%20138.0b9.dmg";
+      locale = "te";
+      arch = "mac";
+      sha256 = "3c8b3d44566221b99ff22761805d0b7a94d7ca15b0787784430c6fd3d3777961";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/tg/Firefox%20138.0b9.dmg";
+      locale = "tg";
+      arch = "mac";
+      sha256 = "8d13e2287ae584984ea5fe003be41a2daa68a45c6ff5bf1deb831f92cb65f43a";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/th/Firefox%20138.0b9.dmg";
+      locale = "th";
+      arch = "mac";
+      sha256 = "c2bb5558608b6f0d96c37dc07670c805f4cecb55a458e080bc11620e76257295";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/tl/Firefox%20138.0b9.dmg";
+      locale = "tl";
+      arch = "mac";
+      sha256 = "5dabe32efc1397c394a7e22923051f06d9f75ded910ec5a15214fbdf36022236";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/tr/Firefox%20138.0b9.dmg";
+      locale = "tr";
+      arch = "mac";
+      sha256 = "9c8f928cb0e77aa76c24939dae8a3354565d3eb8c2742525cbf5763f630613d0";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/trs/Firefox%20138.0b9.dmg";
+      locale = "trs";
+      arch = "mac";
+      sha256 = "d63637985e4553f169fdfcb0effd58563f86f6654104a621ca9204398092cdbc";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/uk/Firefox%20138.0b9.dmg";
+      locale = "uk";
+      arch = "mac";
+      sha256 = "9e576005d0681428663e83a98ad6183297018d23b9828523fc3f5d6c27871376";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/ur/Firefox%20138.0b9.dmg";
+      locale = "ur";
+      arch = "mac";
+      sha256 = "4b6a547f494b0dee7e3816b3b87f559d8cf7cada6c109651f7c40199665f409d";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/uz/Firefox%20138.0b9.dmg";
+      locale = "uz";
+      arch = "mac";
+      sha256 = "c3cd03656d793e466e35b4e5c3a80ae24ef0bee61dd05067905c1e8e3bb067ee";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/vi/Firefox%20138.0b9.dmg";
+      locale = "vi";
+      arch = "mac";
+      sha256 = "ab613b23aa13b3f44433a2a79a11f3078a91edfead7064dc72f8f7c973c33197";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/xh/Firefox%20138.0b9.dmg";
+      locale = "xh";
+      arch = "mac";
+      sha256 = "6efc90bf0b7bc76ba95a5277d20a36cec37c59d93b2fd2c64c106b5738dfbcdb";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/zh-CN/Firefox%20138.0b9.dmg";
+      locale = "zh-CN";
+      arch = "mac";
+      sha256 = "d8c2531a5da4c7a53847b741115dc97db3555e8d1cf366ee11647aeec0afcd73";
+    }
+    {
+      url = "https://archive.mozilla.org/pub/firefox/releases/138.0b9/mac/zh-TW/Firefox%20138.0b9.dmg";
+      locale = "zh-TW";
+      arch = "mac";
+      sha256 = "231cd243c38f4cc8e0da4c3f47a7e3729832bae411c81640af2117a68a2cc0b4";
+    }
   ];
 }
diff --git a/pkgs/applications/networking/browsers/firefox-bin/default.nix b/pkgs/applications/networking/browsers/firefox-bin/default.nix
index 09e8677c378b..885627bbfb7a 100644
--- a/pkgs/applications/networking/browsers/firefox-bin/default.nix
+++ b/pkgs/applications/networking/browsers/firefox-bin/default.nix
@@ -114,7 +114,7 @@ stdenv.mkDerivation {
     if stdenv.hostPlatform.isDarwin then
       ''
         mkdir -p $out/Applications
-        mv Firefox*.app $out/Applications
+        mv Firefox*.app "$out/Applications/${applicationName}.app"
       ''
     else
       ''