diff --git a/src/topics.js b/src/topics.js
index 71e103d0aa..900a46d604 100644
--- a/src/topics.js
+++ b/src/topics.js
@@ -234,10 +234,13 @@ var social = require('./social');
 	function getMainPostAndReplies(topic, set, uid, start, stop, reverse, callback) {
 		async.waterfall([
 			function (next) {
-				if (start > 0 && stop > 0) {
-					start--;
+				if (stop > 0) {
 					stop--;
+					if (start > 0) {
+						start --;
+					}
 				}
+
 				posts.getPidsFromSet(set, start, stop, reverse, next);
 			},
 			function (pids, next) {
@@ -247,7 +250,6 @@ var social = require('./social');
 
 				if (topic.mainPid && start === 0) {
 					pids.unshift(topic.mainPid);
-					pids.pop();
 				}
 				posts.getPostsByPids(pids, uid, next);
 			},