diff --git a/src/main/java/org/simplymequeeny/JsonSchemaGenerator.java b/src/main/java/org/simplymequeeny/JsonSchemaGenerator.java
index 0ea54b9..676fb90 100644
--- a/src/main/java/org/simplymequeeny/JsonSchemaGenerator.java
+++ b/src/main/java/org/simplymequeeny/JsonSchemaGenerator.java
@@ -110,6 +110,10 @@ private static String convertNodeToStringSchemaNode(
             case STRING:
                 result.append("string\" },");
                 break;
+              default:
+                result.append("null\"},");
+                break;
+                //added code to handle null point
         }
 
         return result.toString();
@@ -120,4 +124,4 @@ private static String cleanup(String dirty) {
         Schema schema = SchemaLoader.load(rawSchema);
         return schema.toString();
     }
-}
\ No newline at end of file
+}