diff --git a/to-edn.nix b/to-edn.nix
index bab5085..7b37e0c 100644
--- a/to-edn.nix
+++ b/to-edn.nix
@@ -3,7 +3,7 @@
 with lib;
 let
   isSymbol = str: isNull (builtins.match "^'.+" str);
-  stripQuote = head (builtins.match "^'(.+)");
+  stripQuote = str: head (builtins.match "^'(.+)" str);
   parseStr = str: if (isSymbol str) then (stripQuote str) else ''"${str}"'';
 
   join-str = concatStringsSep " ";