Index: /trunk/ppMerge/src/ppMergeCombine.c
===================================================================
--- /trunk/ppMerge/src/ppMergeCombine.c	(revision 9465)
+++ /trunk/ppMerge/src/ppMergeCombine.c	(revision 9466)
@@ -258,12 +258,4 @@
                 }
 
-                // Set the dark time for the output image, since we normalised
-                if (options->darktime) {
-                    psMetadataItem *darkItem = psMetadataLookup(cell->concepts, "CELL.DARKTIME");
-                    darkItem->data.F32 = 1.0;
-                    psMetadataItem *expItem = psMetadataLookup(cell->concepts, "CELL.EXPOSURE");
-                    expItem->data.F32 = 1.0;
-                }
-
                 memCheck();
 #endif
@@ -272,4 +264,13 @@
             psFree(readout);            // Drop reference
             psFree(stack);
+
+            // Set the dark time for the output image, since we normalised
+            if (options->darktime) {
+                psMetadataItem *darkItem = psMetadataLookup(cell->concepts, "CELL.DARKTIME");
+                darkItem->data.F32 = 1.0;
+                psMetadataItem *expItem = psMetadataLookup(cell->concepts, "CELL.EXPOSURE");
+                expItem->data.F32 = 1.0;
+            }
+
 
             // Statistics on the merged cell