Index: trunk/psModules/src/imcombine/pmReadoutCombine.c
===================================================================
--- trunk/psModules/src/imcombine/pmReadoutCombine.c	(revision 13766)
+++ trunk/psModules/src/imcombine/pmReadoutCombine.c	(revision 13768)
@@ -142,8 +142,8 @@
 
         // Range of pixels on output image
-        minInputRows = PS_MAX (xMin, PS_MIN(minInputRows, readout->row0));
-        maxInputRows = PS_MIN (xMax, PS_MAX(maxInputRows, readout->row0 + readout->image->numRows));
-        minInputCols = PS_MAX (yMin, PS_MIN(minInputCols, readout->col0));
-        maxInputCols = PS_MIN (yMax, PS_MAX(maxInputCols, readout->col0 + readout->image->numCols));
+        minInputCols = PS_MAX (xMin, PS_MIN(minInputCols, readout->col0));
+        maxInputCols = PS_MIN (xMax, PS_MAX(maxInputCols, readout->col0 + readout->image->numCols));
+        minInputRows = PS_MAX (yMin, PS_MIN(minInputRows, readout->row0));
+        maxInputRows = PS_MIN (yMax, PS_MAX(maxInputRows, readout->row0 + readout->image->numRows));
         psTrace("psModules.imcombine", 7, "Readout %ld: offset %d,%d; size %dx%d\n", i,
                 readout->col0, readout->row0, readout->image->numCols, readout->image->numRows);