diff --git a/pkgs/krops/default.nix b/pkgs/krops/default.nix
index dc75a3396..a80cebafb 100644
--- a/pkgs/krops/default.nix
+++ b/pkgs/krops/default.nix
@@ -2,7 +2,7 @@
 
 let
   src = pkgs.fetchgit {
-    url = https://cgit.krebsco.de/krops/;
+    url = "https://cgit.krebsco.de/krops";
     rev = "804c79a14dc8f81a602d31d5a1eed5f82b3f2457";
     sha256 = "1k20l7zqprsrm9s38xslr7190vssf4sjdprd9gh146hxlvln2qrf";
   };