Index: trunk/psphot/src/psphotVisual.c
===================================================================
--- trunk/psphot/src/psphotVisual.c	(revision 21366)
+++ trunk/psphot/src/psphotVisual.c	(revision 21519)
@@ -1101,5 +1101,5 @@
     Graphdata graphdata;
 
-    bool state = !(source->mode & PM_SOURCE_MODE_SUBTRACTED);
+    bool state = !(source->tmpFlags & PM_SOURCE_TMPF_SUBTRACTED);
     psphotAddWithTest (source, true, maskVal); // replace source if subtracted