Index: trunk/ppStack/src/ppStackOptions.c
===================================================================
--- trunk/ppStack/src/ppStackOptions.c	(revision 27158)
+++ trunk/ppStack/src/ppStackOptions.c	(revision 27218)
@@ -58,4 +58,6 @@
     options->quality = 0;
     options->psf = NULL;
+    options->sumExposure = NAN;
+    options->zp = NAN;
     options->inputSeeing = NULL;
     options->targetSeeing = NAN;