diff --git a/app/Jobs/ApplicationDeploymentJob.php b/app/Jobs/ApplicationDeploymentJob.php
index 545735cf6..337562bb0 100644
--- a/app/Jobs/ApplicationDeploymentJob.php
+++ b/app/Jobs/ApplicationDeploymentJob.php
@@ -2327,7 +2327,7 @@ private function check_git_if_build_needed()
                 ],
             );
         }
-        if ($this->saved_outputs->get('git_commit_sha') && ! $this->rollback) {
+        if ($this->saved_outputs->get('git_commit_sha') && ! $this->rollback && $this->shouldResolveBranchHeadCommit()) {
             // Extract commit SHA from git ls-remote output, handling multi-line output (e.g., redirect warnings)
             // Expected format: "commit_sha\trefs/heads/branch" possibly preceded by warning lines
             // Note: Git warnings can be on the same line as the result (no newline)
@@ -2359,6 +2359,13 @@ private function check_git_if_build_needed()
         }
     }
 
+    private function shouldResolveBranchHeadCommit(): bool
+    {
+        $commit = trim($this->commit);
+
+        return $commit === '' || $commit === 'HEAD';
+    }
+
     private function clone_repository()
     {
         $importCommands = $this->generate_git_import_commands();
diff --git a/tests/Unit/ApplicationDeploymentJobCommitResolutionTest.php b/tests/Unit/ApplicationDeploymentJobCommitResolutionTest.php
new file mode 100644
index 000000000..f11d6ac16
--- /dev/null
+++ b/tests/Unit/ApplicationDeploymentJobCommitResolutionTest.php
@@ -0,0 +1,121 @@
+<?php
+
+use App\Jobs\ApplicationDeploymentJob;
+use App\Models\Application;
+use App\Models\ApplicationDeploymentQueue;
+
+function setDeploymentJobProperty(object $job, string $property, mixed $value): void
+{
+    $reflectionProperty = new ReflectionProperty(ApplicationDeploymentJob::class, $property);
+    $reflectionProperty->setValue($job, $value);
+}
+
+function getDeploymentJobProperty(object $job, string $property): mixed
+{
+    $reflectionProperty = new ReflectionProperty(ApplicationDeploymentJob::class, $property);
+
+    return $reflectionProperty->getValue($job);
+}
+
+function invokeCheckGitIfBuildNeeded(object $job): void
+{
+    $method = new ReflectionMethod(ApplicationDeploymentJob::class, 'check_git_if_build_needed');
+    $method->invoke($job);
+}
+
+function makeDeploymentJobForCommitCheck(string $pinnedSha, string $branchHeadSha): object
+{
+    $job = new class extends ApplicationDeploymentJob
+    {
+        public function __construct() {}
+
+        public function execute_remote_command(...$commands) {}
+    };
+
+    $application = new class extends Application
+    {
+        public function generateGitImportCommands(string $deployment_uuid, int $pull_request_id = 0, ?string $git_type = null, bool $exec_in_docker = true, bool $only_checkout = false, ?string $custom_base_dir = null, ?string $commit = null)
+        {
+            return [
+                'commands' => collect([]),
+                'branch' => 'main',
+                'fullRepoUrl' => 'https://github.com/coollabsio/coolify.git',
+            ];
+        }
+    };
+    $application->forceFill([
+        'uuid' => 'application-uuid',
+        'git_branch' => 'main',
+    ]);
+    $application->setRelation('settings', (object) [
+        'include_source_commit_in_build' => false,
+        'use_build_secrets' => false,
+    ]);
+    $application->setRelation('private_key', null);
+
+    $deploymentQueue = new class extends ApplicationDeploymentQueue
+    {
+        public bool $saved = false;
+
+        public function save(array $options = []): bool
+        {
+            $this->saved = true;
+
+            return true;
+        }
+    };
+    $deploymentQueue->commit = $pinnedSha;
+
+    setDeploymentJobProperty($job, 'application', $application);
+    setDeploymentJobProperty($job, 'application_deployment_queue', $deploymentQueue);
+    setDeploymentJobProperty($job, 'deployment_uuid', 'deployment-uuid');
+    setDeploymentJobProperty($job, 'pull_request_id', 0);
+    setDeploymentJobProperty($job, 'commit', $pinnedSha);
+    setDeploymentJobProperty($job, 'rollback', false);
+    setDeploymentJobProperty($job, 'git_type', 'github');
+    setDeploymentJobProperty($job, 'saved_outputs', collect([
+        'git_commit_sha' => str("{$branchHeadSha}\trefs/heads/main"),
+    ]));
+
+    return $job;
+}
+
+function shouldResolveBranchHeadForCommit(?string $commit): bool
+{
+    $job = (new ReflectionClass(ApplicationDeploymentJob::class))->newInstanceWithoutConstructor();
+
+    $commitProperty = new ReflectionProperty($job, 'commit');
+    $commitProperty->setValue($job, $commit ?? '');
+
+    $method = new ReflectionMethod($job, 'shouldResolveBranchHeadCommit');
+
+    return $method->invoke($job);
+}
+
+describe('ApplicationDeploymentJob commit resolution', function () {
+    test('resolves branch head for HEAD deployments', function () {
+        expect(shouldResolveBranchHeadForCommit('HEAD'))->toBeTrue();
+    });
+
+    test('resolves branch head for blank deployments', function () {
+        expect(shouldResolveBranchHeadForCommit(''))->toBeTrue();
+    });
+
+    test('keeps pinned deployment commits instead of replacing them with branch head', function () {
+        expect(shouldResolveBranchHeadForCommit('abc123def456abc123def456abc123def456abc1'))->toBeFalse();
+    });
+
+    test('check git does not overwrite pinned deployment commit with branch head', function () {
+        $pinnedSha = 'abc123def456abc123def456abc123def456abc1';
+        $branchHeadSha = '111222333444555666777888999000aaabbbccc1';
+        $job = makeDeploymentJobForCommitCheck($pinnedSha, $branchHeadSha);
+
+        invokeCheckGitIfBuildNeeded($job);
+
+        $deploymentQueue = getDeploymentJobProperty($job, 'application_deployment_queue');
+
+        expect(getDeploymentJobProperty($job, 'commit'))->toBe($pinnedSha)
+            ->and($deploymentQueue->commit)->toBe($pinnedSha)
+            ->and($deploymentQueue->saved)->toBeFalse();
+    });
+});