diff --git a/pkgs/development/tools/misc/texinfo/common.nix b/pkgs/development/tools/misc/texinfo/common.nix
index e47d3369de96..26732657eb9f 100644
--- a/pkgs/development/tools/misc/texinfo/common.nix
+++ b/pkgs/development/tools/misc/texinfo/common.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
     inherit sha256;
   };
 
-  patches = patches ++ (optional crossBuildTools ./cross-tools-flags.patch);
+  patches = patches ++ optional crossBuildTools ./cross-tools-flags.patch;
 
   # ncurses is required to build `makedoc'
   # this feature is introduced by the ./cross-tools-flags.patch