Index: trunk/psModules/src/imcombine/pmSubtractionThreads.c
===================================================================
--- trunk/psModules/src/imcombine/pmSubtractionThreads.c	(revision 27365)
+++ trunk/psModules/src/imcombine/pmSubtractionThreads.c	(revision 30622)
@@ -6,4 +6,5 @@
 #include <pslib.h>
 
+#include "pmSubtractionTypes.h"
 #include "pmSubtractionMatch.h"
 #include "pmSubtractionEquation.h"
@@ -33,6 +34,13 @@
 
     {
-        psThreadTask *task = psThreadTaskAlloc("PSMODULES_SUBTRACTION_CALCULATE_EQUATION", 4);
+        psThreadTask *task = psThreadTaskAlloc("PSMODULES_SUBTRACTION_CALCULATE_EQUATION", 3);
         task->function = &pmSubtractionCalculateEquationThread;
+        psThreadTaskAdd(task);
+        psFree(task);
+    }
+
+    {
+        psThreadTask *task = psThreadTaskAlloc("PSMODULES_SUBTRACTION_CONVOLVE_STAMP", 3);
+        task->function = &pmSubtractionConvolveStampThread;
         psThreadTaskAdd(task);
         psFree(task);