Index: /trunk/psModules/src/imcombine/pmReadoutCombine.c
===================================================================
--- /trunk/psModules/src/imcombine/pmReadoutCombine.c	(revision 10477)
+++ /trunk/psModules/src/imcombine/pmReadoutCombine.c	(revision 10478)
@@ -65,5 +65,5 @@
     }
 
-    bool first = !output->image || (output->row0 == 0 && output->col0 == 0); // First pass through?
+    bool first = !output->image;        // First pass through?
 
     pmHDU *hdu = pmHDUFromReadout(output); // Output HDU