diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7132e8076ae..171a5f8b8ad 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -14360,7 +14360,7 @@ in modules // {
     };
 
     prePatch = ''
-      substituteInPlace soundfile.py --replace "'sndfile'" "'${pkgs.libsndfile}/lib/libsndfile.so'"
+      substituteInPlace soundfile.py --replace "'sndfile'" "'${pkgs.libsndfile.out}/lib/libsndfile.so'"
     '';
 
     # https://github.com/bastibe/PySoundFile/issues/157