diff --git a/src/Utils.php b/src/Utils.php
index 4e8ebee..1c80394 100644
--- a/src/Utils.php
+++ b/src/Utils.php
@@ -66,10 +66,6 @@ public static function checkMigrationApps(Client $sourceProjectClient, Client $d
 
     public static function getStackFromProjectUrl(string $url): string
     {
-        if (!preg_match('~^https?://~', $url)) {
-            $url = 'https://' . $url;
-        }
-
         $validator = Validation::createValidator();
         $violations = $validator->validate($url, new Url());
         if (count($violations) > 0) {
diff --git a/tests/phpunit/MigrateTest.php b/tests/phpunit/MigrateTest.php
index 21bf3db..c5fff0f 100644
--- a/tests/phpunit/MigrateTest.php
+++ b/tests/phpunit/MigrateTest.php
@@ -137,8 +137,8 @@ public function testMigrateSuccess(
             $config,
             $sourceJobRunnerMock,
             $destJobRunnerMock,
-            'xxx-b',
-            'yyy-b',
+            'https://dest-stack/',
+            'dest-token',
             $loggerMock,
         );
 
@@ -209,9 +209,9 @@ public function testMigrateSuccess(
             $loggerMock->expects(self::exactly(3))
                 ->method('debug')
                 ->withConsecutive(
-                    [self::equalTo('Configuration with ID \'101\' successfully migrated to stack \'xxx-b\'.')],
-                    [self::equalTo('Configuration with ID \'102\' successfully migrated to stack \'xxx-b\'.')],
-                    [self::equalTo('Configuration with ID \'201\' successfully migrated to stack \'xxx-b\'.')]
+                    [self::equalTo('Configuration with ID \'101\' successfully migrated to stack \'dest-stack\'.')],
+                    [self::equalTo('Configuration with ID \'102\' successfully migrated to stack \'dest-stack\'.')],
+                    [self::equalTo('Configuration with ID \'201\' successfully migrated to stack \'dest-stack\'.')]
                 );
         } else {
             $migrationsClientMock->expects(self::never())->method('migrateConfiguration');
diff --git a/tests/phpunit/UtilsTest.php b/tests/phpunit/UtilsTest.php
index 6a6306d..7056176 100644
--- a/tests/phpunit/UtilsTest.php
+++ b/tests/phpunit/UtilsTest.php
@@ -145,11 +145,6 @@ public function testMissingDestinationApp(): void
 
     public function testStackFromProjectUrl(): void
     {
-        self::assertSame(
-            'connection.keboola.com',
-            Utils::getStackFromProjectUrl('connection.keboola.com/')
-        );
-
         self::assertSame(
             'connection.europe-west3.gcp.keboola.com',
             Utils::getStackFromProjectUrl('https://connection.europe-west3.gcp.keboola.com/')
@@ -162,12 +157,20 @@ public function testStackFromProjectUrl(): void
 
         self::assertSame(
             'connection.e2e.us-east-1.aws.keboola.dev',
-            Utils::getStackFromProjectUrl('connection.e2e.us-east-1.aws.keboola.dev')
+            Utils::getStackFromProjectUrl('https://connection.e2e.us-east-1.aws.keboola.dev')
         );
     }
 
     public function testStackFromInvalidProjectUrl(): void
     {
+        $this->expectException(UserException::class);
+        $this->expectExceptionMessage('Invalid destination project URL: "connection.keboola.com/".');
+        Utils::getStackFromProjectUrl('connection.keboola.com/');
+
+        $this->expectException(UserException::class);
+        $this->expectExceptionMessage('Invalid destination project URL: "connection.e2e.us-east-1.aws.keboola.dev".');
+        Utils::getStackFromProjectUrl('connection.e2e.us-east-1.aws.keboola.dev');
+
         $this->expectException(UserException::class);
         $this->expectExceptionMessage('Invalid destination project URL: "https://htt://invalid-url.com".');
         Utils::getStackFromProjectUrl('htt://invalid-url.com');