diff --git a/lib/mergely.js b/lib/mergely.js
index 21abb45..16ca4e4 100644
--- a/lib/mergely.js
+++ b/lib/mergely.js
@@ -1158,9 +1158,9 @@ jQuery.extend(Mgly.mergely.prototype, {
 						{ line: change[oside + '-line-to'], ch: line[oside].text.length });
 				}
 				else if (change['op'] == 'a') {
-					ed[oside].replaceRange( text + '\n',
-						{ line: change[oside + '-line-from'], ch: 0 },
-						{ line: change[oside + '-line-to'], ch: 0 });
+					ed[oside].replaceRange( '\n' + text,
+						{ line: change[oside + '-line-from'], ch: line[oside].text.length },
+						{ line: change[oside + '-line-to'], ch: line[oside].text.length });
 				}
 				else {// 'd'
 					var from = parseInt(change[oside + '-line-from']);