diff --git a/hydra/solo5-jobs.nix b/hydra/solo5-jobs.nix
index 3c33f6f..9108d80 100644
--- a/hydra/solo5-jobs.nix
+++ b/hydra/solo5-jobs.nix
@@ -29,7 +29,7 @@ let
 
           prSrc = {
             type = "git";
-            value = "${pr.head.repo.clone_url} ${pr.head.ref}";
+            value = "https://github.com/Solo5/solo5.git pull/${toString pr.number}/head";
             emailresponsible = false;
           };