diff --git a/include/asm/warning.h b/include/asm/warning.h
index de854b33..385183dc 100644
--- a/include/asm/warning.h
+++ b/include/asm/warning.h
@@ -9,6 +9,8 @@
 #ifndef WARNING_H
 #define WARNING_H
 
+#include "helpers.h"
+
 extern unsigned int nbErrors;
 
 enum WarningID {