Index: trunk/ppStack/src/ppStackMatch.c
===================================================================
--- trunk/ppStack/src/ppStackMatch.c	(revision 19402)
+++ trunk/ppStack/src/ppStackMatch.c	(revision 19453)
@@ -205,5 +205,8 @@
 #ifdef TESTING
             {
-                psFits *fits = psFitsOpen("fake.fits", "w");
+                psString name = NULL;
+                psStringAppend(&name, "fake_%03d.fits", numInput);
+                psFits *fits = psFitsOpen(name, "w");
+                psFree(name);
                 psFitsWriteImage(fits, NULL, fake->image, 0, NULL);
                 psFitsClose(fits);