diff --git a/pkg/compute/models/containers.go b/pkg/compute/models/containers.go
index fd064a6075..cd733b0bb7 100644
--- a/pkg/compute/models/containers.go
+++ b/pkg/compute/models/containers.go
@@ -160,7 +160,7 @@ func (m *SContainerManager) ValidateSpec(ctx context.Context, userCred mcclient.
 		return errors.Wrap(err, "validate lifecycle")
 	}
 
-	if spec.ShmSizeMB < 64 {
+	if spec.ShmSizeMB != 0 && spec.ShmSizeMB < 64 {
 		return httperrors.NewInputParameterError("/dev/shm size is small than 64MB")
 	}