diff --git a/cde/programs/dtpad/fileCB.c b/cde/programs/dtpad/fileCB.c
index a5706d944..189189b41 100644
--- a/cde/programs/dtpad/fileCB.c
+++ b/cde/programs/dtpad/fileCB.c
@@ -59,6 +59,8 @@
 #include <Dt/DtpadM.h>
 #include <Dt/Action.h>
 
+#include <Xm/XmPrivate.h> /* _XmStringUngenerate */
+
 #include "dtpad.h"
 
 extern int numActivePads;  /* declared in main.c */