diff --git a/keepassxc-browser/content/autocomplete.js b/keepassxc-browser/content/autocomplete.js
index cb5a123..81ba286 100644
--- a/keepassxc-browser/content/autocomplete.js
+++ b/keepassxc-browser/content/autocomplete.js
@@ -189,8 +189,8 @@ kpxcAutocomplete.keyPress = function(e) {
 
         if (kpxcAutocomplete.index >= 0 && items && items[kpxcAutocomplete.index] !== undefined) {
             e.preventDefault();
-            kpxcAutocomplete.input.value = kpxcAutocomplete.elements[kpxcAutocomplete.index].value;
-            kpxcAutocomplete.fillPassword(kpxcAutocomplete.input.value, kpxcAutocomplete.index, kpxcAutocomplete.elements[kpxcAutocomplete.index].uuid);
+            const usernameValue = kpxcAutocomplete.elements[kpxcAutocomplete.index].value;
+            kpxcAutocomplete.fillPassword(usernameValue, kpxcAutocomplete.index, kpxcAutocomplete.elements[kpxcAutocomplete.index].uuid);
             kpxcAutocomplete.closeList();
         }
     } else if (e.key === 'Tab') {