diff --git a/ext/js/app/frontend.js b/ext/js/app/frontend.js
index e40b400d..1c6def06 100644
--- a/ext/js/app/frontend.js
+++ b/ext/js/app/frontend.js
@@ -565,6 +565,7 @@ class Frontend {
 
     _updateTextScannerEnabled() {
         const enabled = (this._options !== null && this._options.general.enable && !this._disabledOverride);
+        if (enabled === this._textScanner.isEnabled()) { return; }
         this._textScanner.setEnabled(enabled);
         this._clearSelection(true);
     }
diff --git a/ext/js/language/text-scanner.js b/ext/js/language/text-scanner.js
index 80887b8e..c7cedd7e 100644
--- a/ext/js/language/text-scanner.js
+++ b/ext/js/language/text-scanner.js
@@ -119,6 +119,10 @@ class TextScanner extends EventDispatcher {
         this.setEnabled(this._enabled);
     }
 
+    isEnabled() {
+        return this._enabled;
+    }
+
     setEnabled(enabled) {
         this._enabled = enabled;