diff --git a/configure/CONFIG_APP b/configure/CONFIG_APP
index b1f4ba1..bf83484 100644
--- a/configure/CONFIG_APP
+++ b/configure/CONFIG_APP
@@ -8,6 +8,9 @@ include $(TOP)/configure/RELEASE
 CONFIG=$(EPICS_BASE)/configure
 include $(CONFIG)/CONFIG
 
+CYGWIN_HAVE_AFXWIN_H = YES
+-include $(SUPPORT)/configure/CONFIG_SITE
+
 INSTALL_LOCATION = $(TOP)
 ifdef INSTALL_LOCATION_APP
 INSTALL_LOCATION = $(INSTALL_LOCATION_APP)