diff --git a/src/zutil/parser/json/JSONWriter.java b/src/zutil/parser/json/JSONWriter.java
index d5c369d..589fd2b 100644
--- a/src/zutil/parser/json/JSONWriter.java
+++ b/src/zutil/parser/json/JSONWriter.java
@@ -83,7 +83,7 @@ public class JSONWriter{
 			out.print(']');
 			break;		
 		default:
-			if(root.getType() == JSONType.String){
+			if(root.getString() != null && root.getType() == JSONType.String){
 				out.print('\"');
 				out.print(root.toString());
 				out.print('\"');