diff --git a/pkgs/applications/audio/musly/default.nix b/pkgs/applications/audio/musly/default.nix
index b1e8822cdcf..7ef2b400b76 100644
--- a/pkgs/applications/audio/musly/default.nix
+++ b/pkgs/applications/audio/musly/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, cmake, eigen, libav_all }:
+{ stdenv, fetchFromGitHub, cmake, eigen, libav }:
 stdenv.mkDerivation {
   pname = "musly";
   version = "unstable-2017-04-26";
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
     sha256 = "1q42wvdwy2pac7bhfraqqj2czw7w2m33ms3ifjl8phm7d87i8825";
   };
   nativeBuildInputs = [ cmake ];
-  buildInputs = [ eigen (libav_all.override { vaapiSupport = stdenv.isLinux; }).libav_11 ];
+  buildInputs = [ eigen (libav.override { vaapiSupport = stdenv.isLinux; }) ];
   fixupPhase = if stdenv.isDarwin then ''
     install_name_tool -change libmusly.dylib $out/lib/libmusly.dylib $out/bin/musly
     install_name_tool -change libmusly_resample.dylib $out/lib/libmusly_resample.dylib $out/bin/musly
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 5f82bce86d7..54f6c26761b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13094,7 +13094,7 @@ in
   libaudclient = callPackage ../development/libraries/libaudclient { };
 
   libav = libav_11; # branch 11 is API-compatible with branch 10
-  libav_all = callPackage ../development/libraries/libav { };
+  libav_all = callPackages ../development/libraries/libav { };
   inherit (libav_all) libav_0_8 libav_11 libav_12;
 
   libavc1394 = callPackage ../development/libraries/libavc1394 { };