diff --git a/sources/zweic/Printer.scala b/sources/zweic/Printer.scala
index 3425ead..c8cc6c6 100755
--- a/sources/zweic/Printer.scala
+++ b/sources/zweic/Printer.scala
@@ -69,7 +69,7 @@
       undent.println.print("}").println;
 
     case FieldDecl(formal) =>
-      print(formal);
+      print(formal).print(";");
 
     case MethodDef(name, args, returntype, expression) =>
       print(returntype).print(" ").print(name);