diff --git a/ext/bg/js/dictionary.js b/ext/bg/js/dictionary.js
index 14f90d29..d057ae83 100644
--- a/ext/bg/js/dictionary.js
+++ b/ext/bg/js/dictionary.js
@@ -124,6 +124,7 @@ function dictTermsCompressTags(definitions) {
             filterOutCategories.push('dictionary');
         } else {
             lastDictionary = dictionary;
+            lastPos = '';
         }
 
         if (lastPos === pos) {