diff --git a/bsc/garlic/default.nix b/bsc/garlic/default.nix
index 97cba0b..4cf41cb 100644
--- a/bsc/garlic/default.nix
+++ b/bsc/garlic/default.nix
@@ -47,7 +47,7 @@ let
             cflags = [ "-march=core-avx2" "-xCORE-AVX2" ];
           }) ++ ( genConfigs {
             cc = [ bsc.clang-ompss2 ];
-            cflags = [ "-march=core-avx2" ];
+            cflags = [ "-march=core-avx2 -Rpass-analysis=loop-vectorize" ];
           }));
       };
     };