Index: /trunk/psphot/src/psphotReadout.c
===================================================================
--- /trunk/psphot/src/psphotReadout.c	(revision 20463)
+++ /trunk/psphot/src/psphotReadout.c	(revision 20464)
@@ -7,4 +7,5 @@
     psphotModelClassInit ();            // load implementation-specific models
     psphotSetThreads ();
+    psImageConvolveSetThreads(true);
     return true;
 }