diff --git a/public/src/modules/composer/tags.js b/public/src/modules/composer/tags.js
index acd5fb3203..8e516e83b8 100644
--- a/public/src/modules/composer/tags.js
+++ b/public/src/modules/composer/tags.js
@@ -14,6 +14,7 @@ define('composer/tags', function() {
 
 		tagEl.tagsinput({
 			maxTags: config.tagsPerTopic,
+			maxChars: config.maximumTagLength,
 			confirmKeys: [13, 44],
 			trimValue: true
 		});