diff --git a/pkgs/applications/misc/wbg/default.nix b/pkgs/applications/misc/wbg/default.nix
index 57a1f55392aa..0febd846e024 100644
--- a/pkgs/applications/misc/wbg/default.nix
+++ b/pkgs/applications/misc/wbg/default.nix
@@ -18,7 +18,8 @@
 
 let
   # Courtesy of sternenseemann and FRidh, commit c9a7fdfcfb420be8e0179214d0d91a34f5974c54
-  mesonFeatureFlag = opt: b: "-D${opt}=${if b then "enabled" else "disabled"}";
+  mesonFeatureFlag = feature: flag:
+    "-D${feature}=${if flag then "enabled" else "disabled"}";
 in
 
 stdenv.mkDerivation rec {