diff --git a/pkgs/development/libraries/webkitgtk/2.4.nix b/pkgs/development/libraries/webkitgtk/2.4.nix
index 1a17ae53313..707abf1d30e 100644
--- a/pkgs/development/libraries/webkitgtk/2.4.nix
+++ b/pkgs/development/libraries/webkitgtk/2.4.nix
@@ -77,7 +77,10 @@ stdenv.mkDerivation rec {
     "--disable-credential-storage"
   ];
 
-  NIX_CFLAGS_COMPILE = "-DU_NOEXCEPT=";
+  NIX_CFLAGS_COMPILE = [
+    "-DU_NOEXCEPT="
+    "-Wno-expansion-to-defined"
+  ];
 
   dontAddDisableDepTrack = true;