diff --git a/agent/csi/plugin/plugin.go b/agent/csi/plugin/plugin.go
index 32fab427ef..443b66309e 100644
--- a/agent/csi/plugin/plugin.go
+++ b/agent/csi/plugin/plugin.go
@@ -290,6 +290,9 @@ func (np *nodePlugin) NodePublishVolume(ctx context.Context, req *api.VolumeAssi
 	if len(req.VolumeID) == 0 {
 		return status.Error(codes.InvalidArgument, "Volume ID missing in request")
 	}
+	if len(req.AccessMode) == 0 {
+		return status.Error(codes.InvalidArgument, "AccessMode missing in request")
+	}
 
 	np.mu.Lock()
 	defer np.mu.Unlock()