diff --git a/app/Models/Application.php b/app/Models/Application.php
index 03d177ac7..3ad167887 100644
--- a/app/Models/Application.php
+++ b/app/Models/Application.php
@@ -1821,7 +1821,7 @@ class Application extends BaseModel
                     } else {
                         $commands->push("echo 'Checking out $branch'");
                     }
-                    $git_clone_command = "{$git_clone_command} && cd {$escapedBaseDir} && GIT_SSH_COMMAND=\"{$otherSshCommand}\" ".$this->buildGitCheckoutCommand($commit, $otherSshCommand);
+                    $git_clone_command = "{$git_clone_command} && cd {$escapedBaseDir} && GIT_SSH_COMMAND=\"{$otherSshCommand}\" ".$this->buildGitCheckoutCommand($commit, $otherSshCommand, $gitConfigOptions);
                 }
             }
 
diff --git a/tests/Feature/GitHttpTransportCommandsTest.php b/tests/Feature/GitHttpTransportCommandsTest.php
index f5ef6ade5..d6f9f1337 100644
--- a/tests/Feature/GitHttpTransportCommandsTest.php
+++ b/tests/Feature/GitHttpTransportCommandsTest.php
@@ -118,3 +118,19 @@ it('supports dedicated checkout directories for compose file loading', function
         ->not->toContain('mktemp')
         ->not->toContain('git_retry_dir');
 });
+
+it('applies http 1 transport to custom bitbucket pull request checkout', function () {
+    $application = applicationWithGitSettings();
+    $application->git_repository = 'https://bitbucket.org/coollabsio/private-app.git';
+
+    $result = $application->generateGitImportCommands(
+        deployment_uuid: 'test-deployment',
+        pull_request_id: 123,
+        git_type: 'bitbucket',
+        exec_in_docker: false,
+        commit: 'abc123def456abc123def456abc123def456abc1',
+    );
+
+    expect($result['commands'])
+        ->toContain("git -c http.version=HTTP/1.1 checkout 'abc123def456abc123def456abc123def456abc1'");
+});