diff --git a/Makefile b/Makefile
index e06827e..3734868 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ BUNDLE_METADATA_OPTS ?= $(BUNDLE_CHANNELS) $(BUNDLE_DEFAULT_CHANNEL)
 # Image URL to use all building/pushing image targets
 IMG ?= chrislusf/seaweedfs-operator:$(VERSION)
 # Produce CRDs that work back to Kubernetes 1.11 (no version conversion)
-CRD_OPTIONS ?= "crd:trivialVersions=true"
+CRD_OPTIONS ?= "crd:trivialVersions=true,preserveUnknownFields=false"
 
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
 ifeq (,$(shell go env GOBIN))