Index: trunk/ppMerge/src/ppMergeCombine.c
===================================================================
--- trunk/ppMerge/src/ppMergeCombine.c	(revision 16907)
+++ trunk/ppMerge/src/ppMergeCombine.c	(revision 16950)
@@ -227,6 +227,7 @@
                                                     options->combine->maskVal);
                     } else if (options->dark) {
-                        pmDarkCombine(cell, stack, options->darkOrdinates, options->combine->iter,
-                                      options->combine->rej, options->combine->maskVal);
+                        pmDarkCombine(cell, stack, options->darkOrdinates, options->darkNorm,
+                                      options->combine->iter, options->combine->rej,
+                                      options->combine->maskVal);
                     } else {
                         pmReadoutCombine(readout, stack, cellZeros, cellScales, options->combine);