diff --git a/projects/zxing-scanner/src/lib/zxing-scanner.component.ts b/projects/zxing-scanner/src/lib/zxing-scanner.component.ts
index b1b43d5..2f8d45a 100644
--- a/projects/zxing-scanner/src/lib/zxing-scanner.component.ts
+++ b/projects/zxing-scanner/src/lib/zxing-scanner.component.ts
@@ -343,6 +343,10 @@ export class ZXingScannerComponent implements OnInit, OnDestroy {
   @Input()
   set enable(enabled: boolean) {
 
+    if (this._enabled === Boolean(enabled)) {
+      return;
+    }
+
     this._enabled = Boolean(enabled);
 
     if (!this._enabled) {