diff --git a/ts/interfaces/service.ts b/ts/interfaces/service.ts
index f799bd7..4f0a0fb 100644
--- a/ts/interfaces/service.ts
+++ b/ts/interfaces/service.ts
@@ -16,6 +16,6 @@ export interface IServiceCreationDescriptor {
   accessHostDockerSock?: boolean;
   resources?: {
     memorySizeMB?: number;
-    volumeMounts: plugins.tsclass.container.IVolumeMount[]
+    volumeMounts?: plugins.tsclass.container.IVolumeMount[]
   };
 }