Index: trunk/psModules/src/imcombine/pmSubtractionParams.c
===================================================================
--- trunk/psModules/src/imcombine/pmSubtractionParams.c	(revision 14804)
+++ trunk/psModules/src/imcombine/pmSubtractionParams.c	(revision 15247)
@@ -451,4 +451,6 @@
         }
 
+        kernels->type = PM_SUBTRACTION_KERNEL_GUNK;
+
         kernels->subIndex = PS_SQR(2 * inner + 1) / 2 + numGaussians;
         assert(kernels->u->data.S32[kernels->subIndex] == 0 &&