diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 580a5320cc96..6d91fcb4c5cb 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -16,6 +16,7 @@
 #include <linux/list.h>
 #include <linux/rbtree.h>
 #include <linux/err.h>
+#include <linux/bug.h>
 
 struct module;
 struct device;