diff --git a/javascript/tagAutocomplete.js b/javascript/tagAutocomplete.js
index 2146156..3f69cc0 100644
--- a/javascript/tagAutocomplete.js
+++ b/javascript/tagAutocomplete.js
@@ -1002,7 +1002,7 @@ async function autocomplete(textArea, prompt, fixedTag = null) {
     tagword = tagword.toLowerCase().replace(/[\n\r]/g, "");
 
     // Process all parsers
-    let resultCandidates = (await processParsers(textArea, prompt)).filter(x => x.length > 0);
+    let resultCandidates = (await processParsers(textArea, prompt))?.filter(x => x.length > 0);
     // If one ore more result candidates match, use their results
     if (resultCandidates && resultCandidates.length > 0) {
         // Flatten our candidate(s)