[OPENMEETINGS-2613] JS error is fixed
diff --git a/openmeetings-web/src/main/front/wb/src/wb-tools.js b/openmeetings-web/src/main/front/wb/src/wb-tools.js
index 6065b33..752319c 100644
--- a/openmeetings-web/src/main/front/wb/src/wb-tools.js
+++ b/openmeetings-web/src/main/front/wb/src/wb-tools.js
@@ -363,7 +363,7 @@
 					//no-op
 			}
 		};
-		this.reactivateBtn() = () => {
+		this.reactivateBtn = () => {
 			const b = _getBtn();
 			if (__validBtn(b)) {
 				b.data().deactivate();