diff --git a/pkgs/comma/default.nix b/pkgs/comma/default.nix
index f932863..b034b9a 100644
--- a/pkgs/comma/default.nix
+++ b/pkgs/comma/default.nix
@@ -3,7 +3,7 @@ stdenvNoCC.mkDerivation rec {
   pname = "comma";
   version = "0.1.0";
 
-  src = ./. + "/comma";
+  src = ./comma;
 
   phases = [ "buildPhase" "installPhase" "fixupPhase" ];