diff --git a/krebs/2configs/repo-sync.nix b/krebs/2configs/repo-sync.nix
index b0b0b2f62..9b60dc552 100644
--- a/krebs/2configs/repo-sync.nix
+++ b/krebs/2configs/repo-sync.nix
@@ -15,8 +15,8 @@ let
         post-receive = pkgs.git-hooks.irc-announce {
           nick = config.networking.hostName;
           verbose = false;
-          channel = "#retiolum";
-          server = "ni.r";
+          channel = "#krebs";
+          server = "irc.r";
           branches = [ "master" ];
         };
       });
diff --git a/krebs/3modules/announce-activation.nix b/krebs/3modules/announce-activation.nix
index 5a3a788c2..73704ae27 100644
--- a/krebs/3modules/announce-activation.nix
+++ b/krebs/3modules/announce-activation.nix
@@ -35,7 +35,7 @@ in {
     irc = {
       # TODO rename channel to target?
       channel = mkOption {
-        default = "#retiolum";
+        default = "#krebs";
         type = types.str; # TODO types.irc-channel
       };
       nick = mkOption {
@@ -47,7 +47,7 @@ in {
         type = types.int;
       };
       server = mkOption {
-        default = "ni.r";
+        default = "irc.r";
         type = types.hostname;
       };
     };
diff --git a/krebs/3modules/ci.nix b/krebs/3modules/ci.nix
index dab87792e..49d5bbc93 100644
--- a/krebs/3modules/ci.nix
+++ b/krebs/3modules/ci.nix
@@ -133,8 +133,8 @@ in
       irc = {
         enable = true;
         nick = "build|${hostname}";
-        server = "ni.r";
-        channels = [ "retiolum" "noise" ];
+        server = "irc.r";
+        channels = [ "krebs" "noise" ];
         allowForce = true;
       };
       extraConfig = ''