diff --git a/main.nix b/main.nix
index 6905288..1b61de1 100644
--- a/main.nix
+++ b/main.nix
@@ -20,7 +20,7 @@ let
   generateTestOkHash = pkgs.runCommand "generate-test-ok-hash" { buildInputs = [ pkgs.nix ]; }
     ''
     TMPDIR=`mktemp -d`
-    cp ${generatedNix}/pkgs/artiq-version.nix $TMPDIR/passed3
+    cp ${generatedNix}/pkgs/artiq-version.nix $TMPDIR/passed4
     HASH=`nix-hash --type sha256 --base32 $TMPDIR`
     echo \"$HASH\" > $out
     '';
@@ -70,7 +70,7 @@ in
       export ARTIQ_LOW_LATENCY=1
       python -m unittest discover -v artiq.test.coredevice
       mkdir $out
-      cp ${generatedNix}/pkgs/artiq-version.nix $out/passed3
+      cp ${generatedNix}/pkgs/artiq-version.nix $out/passed4
       '';
     };
   }