diff --git a/pkgs/development/tools/misc/cproto/cproto_patch b/pkgs/development/tools/misc/cproto/cproto.patch
similarity index 100%
rename from pkgs/development/tools/misc/cproto/cproto_patch
rename to pkgs/development/tools/misc/cproto/cproto.patch
diff --git a/pkgs/development/tools/misc/cproto/default.nix b/pkgs/development/tools/misc/cproto/default.nix
index 0b9321bc029d..ef0e2cab7771 100644
--- a/pkgs/development/tools/misc/cproto/default.nix
+++ b/pkgs/development/tools/misc/cproto/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   # patch made by Joe Khoobyar copied from gentoo bugs
-  patches = ./cproto_patch;
+  patches = [ ./cproto.patch ];
 
   nativeBuildInputs = [ flex bison ];