diff --git a/ext/bg/js/search-query-parser.js b/ext/bg/js/search-query-parser.js
index 8c434990..0d4aaa50 100644
--- a/ext/bg/js/search-query-parser.js
+++ b/ext/bg/js/search-query-parser.js
@@ -164,7 +164,7 @@ class QueryParser extends TextScanner {
     }
 
     renderParserSelect() {
-        this.queryParserSelect.innerHTML = '';
+        this.queryParserSelect.textContent = '';
         if (this.parseResults.length > 1) {
             const select = this.queryParserGenerator.createParserSelect(this.parseResults, this.selectedParser);
             select.addEventListener('change', this.onParserChange.bind(this));
diff --git a/ext/fg/js/source.js b/ext/fg/js/source.js
index fa785ec4..6dc482bd 100644
--- a/ext/fg/js/source.js
+++ b/ext/fg/js/source.js
@@ -366,7 +366,7 @@ class TextSourceElement {
     setEndOffset(length) {
         switch (this.element.nodeName.toUpperCase()) {
             case 'BUTTON':
-                this.content = this.element.innerHTML;
+                this.content = this.element.textContent;
                 break;
             case 'IMG':
                 this.content = this.element.getAttribute('alt');