diff --git a/src/db/dbCommon.dbd b/src/db/dbCommon.dbd
index 4c541b626..49f811eb3 100644
--- a/src/db/dbCommon.dbd
+++ b/src/db/dbCommon.dbd
@@ -231,6 +231,7 @@
 	}
 	field(UDF,DBF_UCHAR) {
 		prompt("Undefined")
+		promptgroup(GUI_COMMON)
 		pp(TRUE)
 		interest(1)
 		initial("1")