diff --git a/src/com/android/launcher3/util/FlagOp.java b/src/com/android/launcher3/util/FlagOp.java
index a012c86..bd40eb9 100644
--- a/src/com/android/launcher3/util/FlagOp.java
+++ b/src/com/android/launcher3/util/FlagOp.java
@@ -7,7 +7,7 @@
     int apply(int flags);
 
     static FlagOp addFlag(int flag) {
-        return i -> i + flag;
+        return i -> i | flag;
     }
 
     static FlagOp removeFlag(int flag) {