BOINC_InitialDir = $(BOINC_HOME)/var/slot$(BOINC_SLOT)
 BOINC_Owner = backfill
 BOINC_User = backfill@your.domain
-BOINC_Arguments = -no_gui_rpc -attach_project http://einstein.phys.uwm.edu <insert_id>
+BOINC_Arguments = -no_gui_rpc -allow_multiple_clients -attach_project http://einstein.phys.uwm.edu <insert_id>
 BOINC_Output = $(BOINC_InitialDir)/boinc.out
 BOINC_Error = $(BOINC_InitialDir)/boinc.err
 BOINC_Requirements = \