diff --git a/include/linux/personality.h b/include/linux/personality.h
index bf4cf2080e5c..012cd558189b 100644
--- a/include/linux/personality.h
+++ b/include/linux/personality.h
@@ -114,7 +114,7 @@ struct exec_domain {
  * Change personality of the currently running process.
  */
 #define set_personality(pers) \
-	((current->personality == pers) ? 0 : __set_personality(pers))
+	((current->personality == (pers)) ? 0 : __set_personality(pers))
 
 #endif /* __KERNEL__ */