diff --git a/scripts/native_simulator/common/src/include/nsi_utils.h b/scripts/native_simulator/common/src/include/nsi_utils.h
index 997eac30005..43d171a8e89 100644
--- a/scripts/native_simulator/common/src/include/nsi_utils.h
+++ b/scripts/native_simulator/common/src/include/nsi_utils.h
@@ -28,6 +28,7 @@
 #define NSI_CODE_UNREACHABLE __builtin_unreachable()
 
 #define NSI_FUNC_NORETURN __attribute__((__noreturn__))
+#define NSI_WEAK __attribute__((__weak__))
 
 #if defined(__clang__)
   /* The address sanitizer in llvm adds padding (redzones) after data