Index: branches/eam_branch_20081230/psModules/src/imcombine/pmSubtractionMatch.c
===================================================================
--- branches/eam_branch_20081230/psModules/src/imcombine/pmSubtractionMatch.c	(revision 21239)
+++ branches/eam_branch_20081230/psModules/src/imcombine/pmSubtractionMatch.c	(revision 21245)
@@ -565,8 +565,8 @@
     if (width1 == 0 || width2 == 0) {
         ratios->data.F32[index] = NAN;
-        mask->data.PS_TYPE_IMAGE_MASK_DATA[index] = 0xff;
+        mask->data.PS_TYPE_VECTOR_MASK_DATA[index] = 0xff;
     } else {
         ratios->data.F32[index] = (float)width1 / (float)width2;
-        mask->data.PS_TYPE_IMAGE_MASK_DATA[index] = 0;
+        mask->data.PS_TYPE_VECTOR_MASK_DATA[index] = 0;
     }