Index: trunk/pswarp/src/pswarpLoop.c
===================================================================
--- trunk/pswarp/src/pswarpLoop.c	(revision 35563)
+++ trunk/pswarp/src/pswarpLoop.c	(revision 36083)
@@ -54,5 +54,7 @@
     // We re-activate the CMF load so we can transform the sources as well as the pixels.
     // We only need to read in these if the astrometry source is CMF.
-    pmFPAfileActivate(config->files, true, "PSWARP.ASTROM");
+    if (psMetadataLookupBool(&status, recipe, "SOURCES")) {
+	pmFPAfileActivate(config->files, true, "PSWARP.ASTROM");
+    }
 
     // loop over this section once per input group