diff --git a/cde/programs/dtmail/libDtMail/RFC/RFCTransport.C b/cde/programs/dtmail/libDtMail/RFC/RFCTransport.C
index eab791cbe..7659ff847 100644
--- a/cde/programs/dtmail/libDtMail/RFC/RFCTransport.C
+++ b/cde/programs/dtmail/libDtMail/RFC/RFCTransport.C
@@ -88,7 +88,7 @@ writeToFileDesc(const char * buf, int len, va_list args)
 {
     int * fds = va_arg(args, int *);
     int cnt = va_arg(args, int);
-    DtMailBoolean strip = va_arg(args, DtMailBoolean);
+    DtMailBoolean strip = (DtMailBoolean)va_arg(args, int);
 
     unsigned long saveErrno = 0;	// Initially no error recorded