Index: trunk/psphot/src/psphotStackImageLoop.c
===================================================================
--- trunk/psphot/src/psphotStackImageLoop.c	(revision 34429)
+++ trunk/psphot/src/psphotStackImageLoop.c	(revision 34528)
@@ -43,4 +43,7 @@
     if (!needConvolved) {
         pmFPAfileActivate (config->files, false, "PSPHOT.STACK.INPUT.CNV");
+        pmFPAfileActivate (config->files, false, "PSPHOT.STACK.MASK.CNV");
+        pmFPAfileActivate (config->files, false, "PSPHOT.STACK.VARIANCE.CNV");
+        pmFPAfileActivate (config->files, false, "PSPHOT.STACK.PSF.CNV");
     }
 
@@ -97,7 +100,7 @@
 	    // drop all versions of the internal files
 	    status = true;
-	    status &= pmFPAfileDropInternal (config->files, "PSPHOT.BACKMDL");
-	    status &= pmFPAfileDropInternal (config->files, "PSPHOT.BACKMDL.STDEV");
-	    status &= pmFPAfileDropInternal (config->files, "PSPHOT.BACKGND");
+	    status &= pmFPAfileDropInternal (config->files, psphotGetFilerule("PSPHOT.BACKMDL"));
+	    status &= pmFPAfileDropInternal (config->files, psphotGetFilerule("PSPHOT.BACKMDL.STDEV"));
+	    status &= pmFPAfileDropInternal (config->files, psphotGetFilerule("PSPHOT.BACKGND"));
 	    if (!status) {
 		psError(PSPHOT_ERR_PROG, false, "trouble dropping internal files");