diff --git a/src/init.cc b/src/init.cc
index 9da676a..627f6c7 100644
--- a/src/init.cc
+++ b/src/init.cc
@@ -125,7 +125,7 @@ ncclResult_t ncclGetUniqueId(ncclUniqueId* out) {
 
 // Prevent compiler from optimizing out these operations
 #ifdef __clang__
-#define NCCL_NO_OPTIMIZE __attribute__((noopt))
+#define NCCL_NO_OPTIMIZE __attribute__((optnone))
 #else
 #define NCCL_NO_OPTIMIZE __attribute__((optimize("O0")))
 #endif