Index: trunk/psModules/src/imcombine/pmSubtraction.c
===================================================================
--- trunk/psModules/src/imcombine/pmSubtraction.c	(revision 17489)
+++ trunk/psModules/src/imcombine/pmSubtraction.c	(revision 17493)
@@ -4,6 +4,6 @@
  *  @author GLG, MHPCC
  *
- *  @version $Revision: 1.88 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2008-04-08 18:32:52 $
+ *  @version $Revision: 1.89 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2008-04-30 11:32:06 $
  *
  *  Copyright 2004-2007 Institute for Astronomy, University of Hawaii
@@ -653,8 +653,8 @@
         PM_ASSERT_READOUT_IMAGE(ro2, false);
         if (numCols != 0 && numRows != 0) {
-            numCols = ro1->image->numCols;
-            numRows = ro1->image->numRows;
-            x0 = ro1->col0;
-            y0 = ro1->row0;
+            numCols = ro2->image->numCols;
+            numRows = ro2->image->numRows;
+            x0 = ro2->col0;
+            y0 = ro2->row0;
         }
     }