diff --git a/garlic/exp/saiph/numcomm.nix b/garlic/exp/saiph/numcomm.nix
index ed75d8d..0755147 100644
--- a/garlic/exp/saiph/numcomm.nix
+++ b/garlic/exp/saiph/numcomm.nix
@@ -120,6 +120,7 @@ let
     env = ''
       export NANOS6_REPORT_PREFIX="#"
       export I_MPI_THREAD_SPLIT=1
+      export ASAN_SYMBOLIZER_PATH=${pkgs.bsc.clangOmpss2Unwrapped}/bin/llvm-symbolizer
     ''
     + optionalString enableExtrae
     ''export NANOS6=extrae