diff --git a/crd-generator/api/src/main/java/io/fabric8/crd/generator/AbstractJsonSchema.java b/crd-generator/api/src/main/java/io/fabric8/crd/generator/AbstractJsonSchema.java
index e8f4b53d034..763428fa199 100644
--- a/crd-generator/api/src/main/java/io/fabric8/crd/generator/AbstractJsonSchema.java
+++ b/crd-generator/api/src/main/java/io/fabric8/crd/generator/AbstractJsonSchema.java
@@ -115,7 +115,7 @@ protected T internalFrom(TypeDef definition, String... ignore) {
     return internalFromImpl(definition, new LinkedList<String>(), ignore);
   }
 
-  protected T internalFromImpl(TypeDef definition, List<String> visited, String... ignore) {
+  private T internalFromImpl(TypeDef definition, List<String> visited, String... ignore) {
     visited.add(definition.getFullyQualifiedName());
     final B builder = newBuilder();
     Set<String> ignores =