Index: /trunk/psModules/src/camera/pmChipMosaic.c
===================================================================
--- /trunk/psModules/src/camera/pmChipMosaic.c	(revision 7462)
+++ /trunk/psModules/src/camera/pmChipMosaic.c	(revision 7463)
@@ -4,4 +4,5 @@
 #include "pmFPA.h"
 #include "pmHDU.h"
+#include "pmHDUUtils.h"
 #include "pmChipMosaic.h"
 
@@ -994,4 +995,9 @@
     psFree(newReadout);                 // Drop reference
 
+    // Update the headers
+    pmHDU *sourceHDU = pmHDUFromChip(source); // The HDU for the source
+    pmHDU *targetHDU = pmHDUFromChip(target); // The HDU for the target
+    targetHDU->header = psMetadataCopy(targetHDU->header, sourceHDU->header);
+
     return true;
 }
@@ -1079,4 +1085,9 @@
     psFree(newReadout);                 // Drop reference
 
+    // Update the headers
+    pmHDU *sourceHDU = pmHDUFromFPA(source); // The HDU for the source
+    pmHDU *targetHDU = pmHDUFromFPA(target); // The HDU for the target
+    targetHDU->header = psMetadataCopy(targetHDU->header, sourceHDU->header);
+
     return true;
 }