Index: branches/pap/ppSub/src/ppSubMakePSF.c
===================================================================
--- branches/pap/ppSub/src/ppSubMakePSF.c	(revision 23580)
+++ branches/pap/ppSub/src/ppSubMakePSF.c	(revision 23597)
@@ -85,5 +85,5 @@
         // This is likely a data quality issue
         // XXX Split into multiple cases using error codes?
-        psErrorStackPrint("Unable to determine PSF");
+        psErrorStackPrint(stderr, "Unable to determine PSF");
         psWarning("Unable to determine PSF --- suspect bad data quality.");
         if (stats && psMetadataLookupS32(NULL, stats, "QUALITY") == 0) {