diff --git a/drivers/staging/unisys/include/timskmod.h b/drivers/staging/unisys/include/timskmod.h
index 0f59b3ccca78..9e783117c9f5 100644
--- a/drivers/staging/unisys/include/timskmod.h
+++ b/drivers/staging/unisys/include/timskmod.h
@@ -155,7 +155,7 @@
 	} while (0)
 
 #ifndef max
-#define max(a, b) (((a) > (b)) ? (a):(b))
+#define max(a, b) (((a) > (b)) ? (a) : (b))
 #endif
 
 static inline struct cdev *cdev_alloc_init(struct module *owner,