diff --git a/kernel/include/config.h b/kernel/include/config.h
index 6be43968..a0bc9861 100644
--- a/kernel/include/config.h
+++ b/kernel/include/config.h
@@ -14,8 +14,10 @@
 #define MOON_MINOR 3
 #endif
 
+#ifndef MOON_SUFFIX
 #ifndef _MOON_SUFFIX
 #define MOON_SUFFIX ""
 #else
 #define MOON_SUFFIX STRINGIZE_VALUE_OF(_MOON_SUFFIX)
+#endif
 #endif
\ No newline at end of file