diff --git a/tests/topotests/bgp_conditional_advertisement/r1/bgpd.conf b/tests/topotests/bgp_conditional_advertisement/r1/bgpd.conf
index 633d1832fd..293b38c7e8 100644
--- a/tests/topotests/bgp_conditional_advertisement/r1/bgpd.conf
+++ b/tests/topotests/bgp_conditional_advertisement/r1/bgpd.conf
@@ -17,6 +17,7 @@ route-map DEF permit 10
 !
 router bgp 1
  bgp log-neighbor-changes
+ bgp conditional-advertisement timer 5
  no bgp ebgp-requires-policy
  neighbor 10.10.10.2 remote-as 2
  !
diff --git a/tests/topotests/bgp_conditional_advertisement/r2/bgpd.conf b/tests/topotests/bgp_conditional_advertisement/r2/bgpd.conf
index c6147fe658..82525fac64 100644
--- a/tests/topotests/bgp_conditional_advertisement/r2/bgpd.conf
+++ b/tests/topotests/bgp_conditional_advertisement/r2/bgpd.conf
@@ -32,6 +32,7 @@ route-map RMAP-2 deny 10
 !
 router bgp 2
  bgp log-neighbor-changes
+ bgp conditional-advertisement timer 5
  no bgp ebgp-requires-policy
  neighbor 10.10.10.1 remote-as 1
  neighbor 10.10.20.3 remote-as 3
diff --git a/tests/topotests/bgp_conditional_advertisement/r3/bgpd.conf b/tests/topotests/bgp_conditional_advertisement/r3/bgpd.conf
index 2f4f5068d8..f389f309a6 100644
--- a/tests/topotests/bgp_conditional_advertisement/r3/bgpd.conf
+++ b/tests/topotests/bgp_conditional_advertisement/r3/bgpd.conf
@@ -1,6 +1,7 @@
 !
 router bgp 3
  bgp log-neighbor-changes
+ bgp conditional-advertisement timer 5
  no bgp ebgp-requires-policy
  neighbor 10.10.20.2 remote-as 2
  !