diff --git a/composer.json b/composer.json
index 8a3dfcc..a476d13 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
 	"name": "mage2pro/securepay"
-	,"version": "1.6.0"
+	,"version": "1.6.1"
 	,"description": "The «SecurePay» payment extension for Magento 2."
 	,"type": "magento2-module"
 	,"homepage": "https://mage2.pro/c/extensions/securepay"
@@ -11,7 +11,7 @@
 		"homepage": "https://mage2.pro/users/dmitry_fedyuk",
 		"role": "Developer"
 	}]
-	,"require": {"mage2pro/core": ">=2.12.0"}
+	,"require": {"mage2pro/core": ">=2.12.10"}
 	,"autoload": {"files": ["registration.php"], "psr-4": {"Dfe\\SecurePay\\": ""}}
 	,"keywords": [
 		"3D Secure"
diff --git a/view/frontend/web/main.js b/view/frontend/web/main.js
index bb53ddc..cd0ffa3 100644
--- a/view/frontend/web/main.js
+++ b/view/frontend/web/main.js
@@ -134,7 +134,7 @@ return parent.extend({
 		}
 		if (this.validate()) {
 			// 2017-07-26 «Sometimes getting duplicate orders in checkout»: https://mage2.pro/t/4217
-			this.isPlaceOrderActionAllowed(false);
+			this.state_waitingForServerResponse(true);
 			this.placeOrderInternal();
 		}
 	},