diff --git a/include/linux/aer.h b/include/linux/aer.h
index c826d1c28f9c866d79fb0460c0b0ce1e87c2b420..4fef65e5702396bab72e501d158b2c514d279127 100644
--- a/include/linux/aer.h
+++ b/include/linux/aer.h
@@ -7,6 +7,8 @@
 #ifndef _AER_H_
 #define _AER_H_
 
+#include <linux/types.h>
+
 #define AER_NONFATAL			0
 #define AER_FATAL			1
 #define AER_CORRECTABLE			2