diff --git a/src/lib/focus-trap.ts b/src/lib/focus-trap.ts
index 947cd8b..f3cdef1 100644
--- a/src/lib/focus-trap.ts
+++ b/src/lib/focus-trap.ts
@@ -204,4 +204,4 @@ export class FocusTrap extends HTMLElement implements IFocusTrap {
 	}
 }
 
-window.customElements.define("focus-trap", FocusTrap);
\ No newline at end of file
+if (!window.customElements.get('focus-trap')) customElements.define('focus-trap', FocusTrap);