Index: trunk/ppImage/src/ppImageOptions.c
===================================================================
--- trunk/ppImage/src/ppImageOptions.c	(revision 23845)
+++ trunk/ppImage/src/ppImageOptions.c	(revision 24079)
@@ -58,4 +58,5 @@
     options->lowMask         = 0x00;    // out-of-bounds (low) pixels (supplied to pmReadoutGenerateMask)
     options->flatMask        = 0x00;    // Bad flat pixels (supplied to pmFlatField)
+    options->darkMask        = 0x00;    // Bad dark pixels (supplied to pmDarkApply)
     options->blankMask       = 0x00;    // Blank (no data, cell gap) pixels (supplied to pmChipMosaic, pmFPAMosaic)
     options->markValue       = 0x00;    // A safe bit for internal marking