diff --git a/include/like.php b/include/like.php
index 0268143846..6aef0cb5b8 100644
--- a/include/like.php
+++ b/include/like.php
@@ -43,7 +43,7 @@ function do_like($item_id, $verb) {
 			$activity = ACTIVITY_ATTENDMAYBE;
 			break;
 		default:
-			return;
+			return false;
 			break;
 	}