diff --git a/hardware/hcloud.nix b/hardware/hcloud.nix
index 2bc25c5..ddda34f 100644
--- a/hardware/hcloud.nix
+++ b/hardware/hcloud.nix
@@ -9,4 +9,5 @@
 
   boot.cleanTmpDir = true;
   networking.firewall.allowPing = true;
+  networking.usePredictableInterfaceNames = false;
 }
diff --git a/profiles/backend.nix b/profiles/backend.nix
index e6b1589..e6a36a0 100644
--- a/profiles/backend.nix
+++ b/profiles/backend.nix
@@ -91,7 +91,7 @@
     };
   };
 
-  networking.interfaces.enp1s0 = {
+  networking.interfaces.eth1 = {
     useDHCP = true;
     ipv4 = {
       addresses = [
@@ -105,6 +105,6 @@
 
   networking.firewall.allowedTCPPorts = [ 80 443 64738 ];
   networking.firewall.allowedUDPPorts = [ 64738 ];
-  networking.firewall.interfaces."enp7s0".allowedTCPPorts = [ config.services.prometheus.exporters.node.port ];
+  networking.firewall.interfaces."eth2".allowedTCPPorts = [ config.services.prometheus.exporters.node.port ];
 
 }
diff --git a/profiles/db.nix b/profiles/db.nix
index 9255922..c65b299 100644
--- a/profiles/db.nix
+++ b/profiles/db.nix
@@ -8,7 +8,7 @@
     ../modules/monitoring-exporters.nix
   ];
 
-  networking.firewall.interfaces."enp7s0".allowedTCPPorts = [ config.services.prometheus.exporters.node.port config.services.postgresql.port ];
+  networking.firewall.interfaces."eth2".allowedTCPPorts = [ config.services.prometheus.exporters.node.port config.services.postgresql.port ];
 
   sops.secrets = {
     borgSshKey = {