diff --git a/common.mk b/common.mk
index 9ea2c0d..193e393 100644
--- a/common.mk
+++ b/common.mk
@@ -66,7 +66,7 @@ ifeq ($(DEBUG),1)
     LDFLAGS+=-fsanitize=address
   endif
 else
-  CFLAGS_OPT+=-fomit-frame-pointer -DNDEBUG
+  CFLAGS_OPT+=-fomit-frame-pointer -DNDEBUG -fno-stack-protector
   ifeq ($(CXX),clang++)
     CFLAGS_OPT+=-O3
   else