diff --git a/pkgs/applications/editors/poke/default.nix b/pkgs/applications/editors/poke/default.nix
index 7f8a2fdaa7ac..64ecbaa92927 100644
--- a/pkgs/applications/editors/poke/default.nix
+++ b/pkgs/applications/editors/poke/default.nix
@@ -40,7 +40,7 @@ in stdenv.mkDerivation rec {
   ] ++ lib.optional guiSupport makeWrapper;
 
   buildInputs = [ boehmgc readline ]
-  ++ lib.optionals guiSupport [tk tcl.tclPackageHook tcllib]
+  ++ lib.optionals guiSupport [ tk tcl.tclPackageHook tcllib ]
   ++ lib.optional miSupport json_c
   ++ lib.optional nbdSupport libnbd
   ++ lib.optional textStylingSupport gettext