Index: trunk/ppStack/src/ppStackCamera.c
===================================================================
--- trunk/ppStack/src/ppStackCamera.c	(revision 27004)
+++ trunk/ppStack/src/ppStackCamera.c	(revision 27075)
@@ -284,9 +284,15 @@
 
     if (havePSFs) {
-        pmFPAfile *targetPSF = pmFPAfileDefineOutput(config, output->fpa, "PPSTACK.TARGET.PSF");
+        pmFPA *psfFPA = pmFPAConstruct(config->camera, config->cameraName); // FPA to contain PSF
+        if (!psfFPA) {
+            psError(psErrorCodeLast(), false, "Unable to construct an FPA from camera configuration.");
+            return false;
+        }
+        pmFPAfile *targetPSF = pmFPAfileDefineOutput(config, psfFPA, "PPSTACK.TARGET.PSF");
         if (!targetPSF) {
             psError(psErrorCodeLast(), false, _("Unable to generate output file from PPSTACK.TARGET.PSF"));
             return false;
         }
+        psFree(psfFPA);
         if (targetPSF->type != PM_FPA_FILE_PSF) {
             psError(PPSTACK_ERR_CONFIG, true, "PPSTACK.TARGET.PSF is not of type PSF");