diff --git a/include/items.php b/include/items.php
index 5bbceb1982..9f90d66e47 100755
--- a/include/items.php
+++ b/include/items.php
@@ -2362,10 +2362,13 @@ function local_delivery($importer,$data) {
 					$datarray['gravity'] = GRAVITY_LIKE;
 					$datarray['last-child'] = 0;
 					// only one like or dislike per person
-					$r = q("select id from item where uid = %d and `contact-id` = %d and verb ='%s' and deleted = 0 limit 1",
+					$r = q("select id from item where uid = %d and `contact-id` = %d and verb ='%s' and (`thr-parent` = '%s' or `parent-uri` = '%s') and deleted = 0 limit 1",
 						intval($datarray['uid']),
 						intval($datarray['contact-id']),
-						dbesc($datarray['verb'])
+						dbesc($datarray['verb']),
+						dbesc($datarray['parent-uri']),
+						dbesc($datarray['parent-uri'])
+		
 					);
 					if($r && count($r))
 						continue;