diff --git a/pkgs/applications/audio/vorbis-tools/default.nix b/pkgs/applications/audio/vorbis-tools/default.nix
index 865d82a73562..46e67c7dc33e 100644
--- a/pkgs/applications/audio/vorbis-tools/default.nix
+++ b/pkgs/applications/audio/vorbis-tools/default.nix
@@ -14,6 +14,10 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ libogg libvorbis libao curl speex flac ];
 
+  env = lib.optionalAttrs stdenv.cc.isClang {
+    NIX_CFLAGS_COMPILE = "-Wno-error=implicit-function-declaration";
+  };
+
   meta = with lib; {
     description = "Extra tools for Ogg-Vorbis audio codec";
     longDescription = ''