diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 564f6aa1..f0d06865 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -88,6 +88,7 @@ in
     pulseeffects
     quassel
     rxvt_unicode
+    slack-appindicator
     simplescreenrecorder
     spotify
     termite
@@ -123,7 +124,6 @@ in
     rofi
     rofi-pass
     skippy-xd
-    slack
     synergy
     udiskie
     volnoti
diff --git a/nixos/dfinity.nix b/nixos/dfinity.nix
index a47e5f5f..3b69d20a 100644
--- a/nixos/dfinity.nix
+++ b/nixos/dfinity.nix
@@ -3,8 +3,8 @@
     trustedBinaryCaches = [ https://nix.oregon.dfinity.build ];
     binaryCachePublicKeys = [ "hydra.oregon.dfinity.build-2:KMTixHrh9DpAjF/0xU/49VEtNuGzQ71YaVIUSOLUaCM=" ];
   };
-
-  networking.extraResolvconfConf = ''
-    name_servers="10.20.13.192"
+  networking.extraHosts =
+  ''
+    10.20.12.55 nix.oregon.dfinity.build
   '';
 }