diff --git a/debian/control b/debian/control
index 209650ef..3cefdb7a 100644
--- a/debian/control
+++ b/debian/control
@@ -8,10 +8,12 @@ Architecture: any
 Description: Firewall bouncer for Crowdsec (iptables+ipset)
 Depends: iptables, ipset, gettext-base
 Replaces: crowdsec-firewall-bouncer
+Conflicts: crowdsec-firewall-bouncer-nftables
 
 Package: crowdsec-firewall-bouncer-nftables
 Architecture: any
 Description: Firewall bouncer for Crowdsec (nftables)
 Depends: nftables, gettext-base
 Replaces: crowdsec-firewall-bouncer
+Conflicts: crowdsec-firewall-bouncer-iptables