diff --git a/cmd/maya-apiserver/cstor-operator/spc/storagepool_create.go b/cmd/maya-apiserver/cstor-operator/spc/storagepool_create.go
index 1658a22120..499cc89207 100644
--- a/cmd/maya-apiserver/cstor-operator/spc/storagepool_create.go
+++ b/cmd/maya-apiserver/cstor-operator/spc/storagepool_create.go
@@ -137,6 +137,9 @@ func (cb *CasPoolBuilder) withAnnotations(annotations map[string]string) *CasPoo
 
 // WithPoolROThreshold set PoolROThreshold value
 func (cb *CasPoolBuilder) WithPoolROThreshold(poolROThreshold int) *CasPoolBuilder {
+	if poolROThreshold == 0 {
+		poolROThreshold = 85
+	}
 	cb.CasPool.PoolROThreshold = poolROThreshold
 	return cb
 }