diff --git a/bootstrap/helpers/parsers.php b/bootstrap/helpers/parsers.php
index 9b17e6810..6eb98e457 100644
--- a/bootstrap/helpers/parsers.php
+++ b/bootstrap/helpers/parsers.php
@@ -1302,7 +1302,13 @@ function applicationParser(Application $resource, int $pull_request_id = 0, ?int
         }
         // Auto-inject .env file so Coolify environment variables are available inside containers
         // This makes Applications behave consistently with manual .env file usage
-        $payload['env_file'] = ['.env'];
+        $existingEnvFiles = data_get($service, 'env_file');
+        $envFiles = collect(is_null($existingEnvFiles) ? [] : (is_array($existingEnvFiles) ? $existingEnvFiles : [$existingEnvFiles]))
+            ->push('.env')
+            ->unique()
+            ->values();
+
+        $payload['env_file'] = $envFiles;
         if ($isPullRequest) {
             $serviceName = addPreviewDeploymentSuffix($serviceName, $pullRequestId);
         }
@@ -2284,7 +2290,13 @@ function serviceParser(Service $resource): Collection
         }
         // Auto-inject .env file so Coolify environment variables are available inside containers
         // This makes Services behave consistently with Applications
-        $payload['env_file'] = ['.env'];
+        $existingEnvFiles = data_get($service, 'env_file');
+        $envFiles = collect(is_null($existingEnvFiles) ? [] : (is_array($existingEnvFiles) ? $existingEnvFiles : [$existingEnvFiles]))
+            ->push('.env')
+            ->unique()
+            ->values();
+
+        $payload['env_file'] = $envFiles;
 
         $parsedServices->put($serviceName, $payload);
     }