Index: /branches/pap_branch_20090128/psModules/src/imcombine/pmSubtraction.c
===================================================================
--- /branches/pap_branch_20090128/psModules/src/imcombine/pmSubtraction.c	(revision 21300)
+++ /branches/pap_branch_20090128/psModules/src/imcombine/pmSubtraction.c	(revision 21301)
@@ -1100,8 +1100,7 @@
         return false;
     }
-    psArrayAdd(job->results, 1, covar1);
-    psArrayAdd(job->results, 1, covar2);
-    psFree(covar1);
-    psFree(covar2);
+    job->results = psArrayAlloc(2);
+    job->results->data[0] = covar1;
+    job->results->data[1] = covar2;
 
     return true;