diff --git a/configs/default.nix b/configs/default.nix
index 1d9b90b..8afcff1 100644
--- a/configs/default.nix
+++ b/configs/default.nix
@@ -210,6 +210,7 @@ in {
     ./i3.nix
     ./i3status-rust.nix
     ./keyboard.nix
+    ./mycelium.nix
     ./kdeconnect.nix
     {home-manager.users.me.home.file.".XCompose".source = ../lib/keyboards/XCompose;}
     ./lb.nix
diff --git a/configs/mycelium.nix b/configs/mycelium.nix
new file mode 100644
index 0000000..12250a5
--- /dev/null
+++ b/configs/mycelium.nix
@@ -0,0 +1,7 @@
+{ ... }:
+{
+  services.mycelium = {
+    enable = true;
+    openFirewall = true;
+  };
+}
diff --git a/systems/ful/configuration.nix b/systems/ful/configuration.nix
index 790b81b..d5aa4d9 100644
--- a/systems/ful/configuration.nix
+++ b/systems/ful/configuration.nix
@@ -12,6 +12,7 @@ in {
     ./radio.nix
     ./panoptikon.nix
     ./hledger.nix
+    ./mycelium.nix
     ./alew.nix
     ../../configs/monitoring.nix
     ../../configs/tor.nix
diff --git a/systems/makanek/configuration.nix b/systems/makanek/configuration.nix
index b963741..5458233 100644
--- a/systems/makanek/configuration.nix
+++ b/systems/makanek/configuration.nix
@@ -15,6 +15,7 @@ in {
     ./monitoring
     ./names.nix
     ./nextcloud.nix
+    ./mycelium.nix
     ./radio-news.nix
     ./scrabble.nix
     # ./onlyoffice.nix
diff --git a/systems/zaatar/configuration.nix b/systems/zaatar/configuration.nix
index 2590f0f..5535d7d 100644
--- a/systems/zaatar/configuration.nix
+++ b/systems/zaatar/configuration.nix
@@ -12,6 +12,7 @@ in {
     ./gaslight.nix
     ./hardware-configuration.nix
     ./nas.nix
+    ./mycelium.nix
     ./home-assistant.nix
     ../../configs/monitoring.nix
     ../../configs/retiolum.nix