Index: trunk/pswarp/src/pswarpParseCamera.c
===================================================================
--- trunk/pswarp/src/pswarpParseCamera.c	(revision 17569)
+++ trunk/pswarp/src/pswarpParseCamera.c	(revision 17599)
@@ -99,4 +99,12 @@
         }
 
+        // Ensure psphot defines an output file for the PSF.
+        psMetadata *psphotRecipe = psMetadataLookupPtr(NULL, config->recipes, PSPHOT_RECIPE); // Recipe
+        if (!psphotRecipe) {
+            psError(PS_ERR_UNEXPECTED_NULL, false, "Unable to find %s recipe.", PSPHOT_RECIPE);
+            return false;
+        }
+        psMetadataAddBool(psphotRecipe, PS_LIST_TAIL, "SAVE.PSF", PS_META_REPLACE, "Save PSF?", true);
+
         // Define associated psphot input/output files
         if (!psphotDefineFiles(config, psphotInput)) {