Index: branches/pap/ppStack/src/ppStackCombineFinal.c
===================================================================
--- branches/pap/ppStack/src/ppStackCombineFinal.c	(revision 25911)
+++ branches/pap/ppStack/src/ppStackCombineFinal.c	(revision 25924)
@@ -11,5 +11,5 @@
 
 bool ppStackCombineFinal(pmReadout *target, ppStackThreadData *stack, psArray *covariances,
-                         ppStackOptions *options, pmConfig *config, bool full, bool normalise)
+                         ppStackOptions *options, pmConfig *config, bool full, bool safe, bool normalise)
 {
     psAssert(stack, "Require stack");
@@ -42,4 +42,5 @@
         psArrayAdd(job->args, 1, config);
         PS_ARRAY_ADD_SCALAR(job->args, full, PS_TYPE_U8);
+        PS_ARRAY_ADD_SCALAR(job->args, safe, PS_TYPE_U8);
         PS_ARRAY_ADD_SCALAR(job->args, normalise, PS_TYPE_U8);
         if (!psThreadJobAddPending(job)) {