Index: trunk/psModules/src/camera/pmFPAfileFitsIO.c
===================================================================
--- trunk/psModules/src/camera/pmFPAfileFitsIO.c	(revision 11864)
+++ trunk/psModules/src/camera/pmFPAfileFitsIO.c	(revision 12603)
@@ -76,7 +76,10 @@
         psFree(copy);
         psFree(phuView);
-        return false;
+        return NULL;
     }
     psFree(phuView);
+
+    // preserve this state variable
+    copy->wrote_phu = file->fpa->wrote_phu;
 
     switch (level) {