diff --git a/composer.json b/composer.json
index b8270f8..1f42e0f 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
 	"name": "mage2pro/square"
-	,"version": "1.2.6"
+	,"version": "1.2.7"
 	,"description": "The «Square» payment extension for Magento 2."
 	,"type": "magento2-module"
 	,"homepage": "https://mage2.pro/c/extensions/square"
@@ -11,7 +11,7 @@
 		"homepage": "https://mage2.pro/users/dmitry_fedyuk",
 		"role": "Developer"
 	}]
-	,"require": {"mage2pro/core": ">=2.12.0", "mage2pro/square-php-sdk": "^2.0.2"}
+	,"require": {"mage2pro/core": ">=2.12.10", "mage2pro/square-php-sdk": "^2.0.2"}
 	,"autoload": {"files": ["registration.php"], "psr-4": {"Dfe\\Square\\": ""}}
 	,"keywords": [
 		"API"
diff --git a/view/frontend/web/main.js b/view/frontend/web/main.js
index b743fb7..eba28bb 100644
--- a/view/frontend/web/main.js
+++ b/view/frontend/web/main.js
@@ -91,7 +91,7 @@ return parent.extend({
 							errorsA.push(error.message);
 						});
 						_this.showErrorMessage(errorsA.join("\n"));
-						this.isPlaceOrderActionAllowed(true);
+						this.state_waitingForServerResponse(false);
 					}
 				},
 				paymentFormLoaded: function() {
@@ -191,7 +191,7 @@ return parent.extend({
 			event.preventDefault();
 		}
 		// 2017-07-26 «Sometimes getting duplicate orders in checkout»: https://mage2.pro/t/4217
-		this.isPlaceOrderActionAllowed(false);
+		this.state_waitingForServerResponse(true);
 		this.square.requestCardNonce();
 	}
 });});