diff --git a/utils/pas2jni/writer.pas b/utils/pas2jni/writer.pas
index dcdaf74117..9e5ec65170 100644
--- a/utils/pas2jni/writer.pas
+++ b/utils/pas2jni/writer.pas
@@ -1286,7 +1286,7 @@ begin
       Fjs.DecI;
       Fjs.WriteLn('}');
       Fjs.WriteLn;
-      Fjs.WriteLn('public static long Pointer(PascalObject obj) { return (obj == null) ? null : obj._pasobj; }');
+      Fjs.WriteLn('public static long Pointer(PascalObject obj) { return (obj == null) ? 0 : obj._pasobj; }');
 
       // Record
       Fjs.WriteLn;