diff --git a/include/wlr/util/edges.h b/include/wlr/util/edges.h
index bf1eb1e7..90a1167a 100644
--- a/include/wlr/util/edges.h
+++ b/include/wlr/util/edges.h
@@ -19,10 +19,10 @@
 
 enum wlr_edges {
 	WLR_EDGE_NONE = 0,
-	WLR_EDGE_TOP = 1,
-	WLR_EDGE_BOTTOM = 2,
-	WLR_EDGE_LEFT = 4,
-	WLR_EDGE_RIGHT = 8,
+	WLR_EDGE_TOP = 1 << 0,
+	WLR_EDGE_BOTTOM = 1 << 1,
+	WLR_EDGE_LEFT = 1 << 2,
+	WLR_EDGE_RIGHT = 1 << 3,
 };
 
 #endif