diff --git a/overlay.nix b/overlay.nix
index 5b836ec..5ab4530 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -165,7 +165,7 @@ let
       };
 
       saiph = callPackage ./garlic/saiph {
-        stdenv = self.bsc.stdenvOmpss2;
+        cc = self.bsc.clangOmpss2;
       };
 
       # Execution wrappers