diff --git a/inventory/group_vars/notifs-backend b/inventory/group_vars/notifs-backend
index f4afb97776..c138890860 100644
--- a/inventory/group_vars/notifs-backend
+++ b/inventory/group_vars/notifs-backend
@@ -7,7 +7,7 @@ num_cpus: 4
 # for systems that do not match the above - specify the same parameter in
 # the host_vars/$hostname file
 
-tcp_ports: [ 3000, 3001, 3002, 3003 ]
+tcp_ports: [ 3000, 3001, 3002, 3003, 3004 ]
 
 fas_client_groups: sysadmin-noc,sysadmin-datanommer
 
diff --git a/inventory/group_vars/notifs-backend-stg b/inventory/group_vars/notifs-backend-stg
index 6fa5d88c13..320260a3bc 100644
--- a/inventory/group_vars/notifs-backend-stg
+++ b/inventory/group_vars/notifs-backend-stg
@@ -7,7 +7,7 @@ num_cpus: 2
 # for systems that do not match the above - specify the same parameter in
 # the host_vars/$hostname file
 
-tcp_ports: [ 3000, 3001, 3002, 3003 ]
+tcp_ports: [ 3000, 3001, 3002, 3003, 3004 ]
 
 fas_client_groups: sysadmin-noc,sysadmin-datanommer
 
diff --git a/roles/fedmsg/base/templates/endpoints-fmn-backend.py.j2 b/roles/fedmsg/base/templates/endpoints-fmn-backend.py.j2
index 541b28c031..0772c33d70 100644
--- a/roles/fedmsg/base/templates/endpoints-fmn-backend.py.j2
+++ b/roles/fedmsg/base/templates/endpoints-fmn-backend.py.j2
@@ -8,7 +8,7 @@ config = dict(
     endpoints={
         "fmn.notifs-backend01": [
             "tcp://notifs-backend01.%s:30%0.2i" % (suffix, i)
-            for i in range(4)
+            for i in range(5)
         ],
     },
 )