diff --git a/pkgs/applications/audio/buzztrax/default.nix b/pkgs/applications/audio/buzztrax/default.nix
index 38bb5d68e69b9..30961d5b320ab 100644
--- a/pkgs/applications/audio/buzztrax/default.nix
+++ b/pkgs/applications/audio/buzztrax/default.nix
@@ -62,7 +62,9 @@ stdenv.mkDerivation {
   ];
 
   # 'g_memdup' is deprecated: Use 'g_memdup2' instead
-  env.NIX_CFLAGS_COMPILE = "-Wno-error=deprecated-declarations";
+  env.NIX_CFLAGS_COMPILE = "-Wno-error=deprecated-declarations"
+    # Suppress incompatible function pointer error in clang due to libxml2 2.12 const changes
+    + lib.optionalString stdenv.cc.isClang " -Wno-error=incompatible-function-pointer-types";
 
   meta = with lib; {
     description = "Buzztrax is a modular music composer for Linux";