diff --git a/packages/server/src/services/application.ts b/packages/server/src/services/application.ts
index 2fb63ff7e..61a77ae5a 100644
--- a/packages/server/src/services/application.ts
+++ b/packages/server/src/services/application.ts
@@ -413,7 +413,7 @@ export const deployPreviewApplication = async ({
 				appName: previewDeployment.appName,
 				branch: previewDeployment.branch,
 			});
-			command += getBuildCommand(application);
+			command += await getBuildCommand(application);
 
 			const commandWithLog = `(${command}) >> ${deployment.logPath} 2>&1`;
 			if (application.serverId) {