diff --git a/pkgs/development/libraries/ffmpeg/generic.nix b/pkgs/development/libraries/ffmpeg/generic.nix
index 39c507b294dd..91d210d63978 100644
--- a/pkgs/development/libraries/ffmpeg/generic.nix
+++ b/pkgs/development/libraries/ffmpeg/generic.nix
@@ -107,6 +107,7 @@
 , withSvtav1 ? withHeadlessDeps && !stdenv.isAarch64 && !stdenv.hostPlatform.isMinGW # AV1 encoder/decoder (focused on speed and correctness)
 , withTensorflow ? false # Tensorflow dnn backend support (Increases closure size by ~390 MiB)
 , withTheora ? withHeadlessDeps # Theora encoder
+, withTwolame ? withFullDeps # MP2 encoding
 , withV4l2 ? withHeadlessDeps && stdenv.isLinux  # Video 4 Linux support
 , withV4l2M2m ? withV4l2
 , withVaapi ? withHeadlessDeps && (with stdenv; isLinux || isFreeBSD) # Vaapi hardware acceleration
@@ -289,6 +290,7 @@
 , quirc
 , rav1e
 , rtmpdump
+, twolame
 , samba
 , SDL2
 , shaderc
@@ -684,6 +686,7 @@ stdenv.mkDerivation (finalAttrs: {
     (enableFeature withSvtav1 "libsvtav1")
     (enableFeature withTensorflow "libtensorflow")
     (enableFeature withTheora "libtheora")
+    (enableFeature withTwolame "libtwolame")
     (enableFeature withV4l2 "libv4l2")
     (enableFeature withV4l2M2m "v4l2-m2m")
     (enableFeature withVaapi "vaapi")
@@ -819,6 +822,7 @@ stdenv.mkDerivation (finalAttrs: {
   ++ optionals withSvtav1 [ svt-av1 ]
   ++ optionals withTensorflow [ libtensorflow ]
   ++ optionals withTheora [ libtheora ]
+  ++ optionals withTwolame [ twolame ]
   ++ optionals withV4l2 [ libv4l ]
   ++ optionals withVaapi [ (if withSmallDeps then libva else libva-minimal) ]
   ++ optionals withVdpau [ libvdpau ]