diff --git a/pkgs/by-name/gu/guix/package.nix b/pkgs/by-name/gu/guix/package.nix
index 88d0c5ba4a5a..9e750cce8792 100644
--- a/pkgs/by-name/gu/guix/package.nix
+++ b/pkgs/by-name/gu/guix/package.nix
@@ -71,6 +71,11 @@ stdenv.mkDerivation rec {
       patch = "security/0102-daemon-Sanitize-successful-build-outputs-prior-to-ex.patch";
       hash = "sha256-mOnlYtpIuYL+kDvSNuXuoDLJP03AA9aI2ALhap+0NOM=";
     })
+    (fetchpatch {
+      name = "fix-guile-ssh-detection.patch";
+      url = "https://git.savannah.gnu.org/cgit/guix.git/patch/?id=b8a45bd0473ab2ba9b96b7ef429a557ece9bf06c";
+      hash = "sha256-oYkgM694qPK8kqgxatkr4fj/GL73ozTNQADNyDeU6WY=";
+    })
   ];
 
   postPatch = ''
@@ -147,7 +152,7 @@ stdenv.mkDerivation rec {
       wrapProgram $f \
         --prefix GUILE_LOAD_PATH : "$out/${guile.siteDir}:$GUILE_LOAD_PATH" \
         --prefix GUILE_LOAD_COMPILED_PATH : "$out/${guile.siteCcacheDir}:$GUILE_LOAD_COMPILED_PATH" \
-        --prefix GUILE_EXTENSIONS_PATH : "${guile-ssh}/lib/guile/3.0/extensions:$GUILE_EXTENSIONS_PATH"
+        --prefix GUILE_EXTENSIONS_PATH : "${guile-ssh}/lib/guile/3.0/extensions"
     done
   '';