diff --git a/src/devices/cpu/clipper/clipper.h b/src/devices/cpu/clipper/clipper.h
index 037b6549195..ff872891bbd 100644
--- a/src/devices/cpu/clipper/clipper.h
+++ b/src/devices/cpu/clipper/clipper.h
@@ -5,6 +5,8 @@
 #ifndef __CLIPPER_H__
 #define __CLIPPER_H__
 
+#include <limits.h>
+
 enum clipper_registers
 {
 	CLIPPER_R0, CLIPPER_R1, CLIPPER_R2, CLIPPER_R3, CLIPPER_R4, CLIPPER_R5, CLIPPER_R6, CLIPPER_R7,