diff --git a/common/fonts.nix b/common/fonts.nix
index 3017f52..c865f4e 100644
--- a/common/fonts.nix
+++ b/common/fonts.nix
@@ -13,7 +13,8 @@
     fira-code-symbols
     mplus-outline-fonts.githubRelease
     dina-font
-    nerdfonts
+    nerd-fonts.fira-code
+    nerd-fonts.ubuntu
     proggyfonts
     source-sans
     source-sans-pro
diff --git a/hosts/tartarus/configuration.nix b/hosts/tartarus/configuration.nix
index 46c2685..8519882 100644
--- a/hosts/tartarus/configuration.nix
+++ b/hosts/tartarus/configuration.nix
@@ -58,7 +58,7 @@
   services.printing.enable = true;
 
   # Enable sound with pipewire.
-  hardware.pulseaudio.enable = false;
+  services.pulseaudio.enable = false;
   security.rtkit.enable = true;
   services.pipewire = {
     enable = true;
diff --git a/hosts/ymir/configuration.nix b/hosts/ymir/configuration.nix
index 727b5c4..259611e 100644
--- a/hosts/ymir/configuration.nix
+++ b/hosts/ymir/configuration.nix
@@ -90,7 +90,7 @@
   services.printing.enable = true;
 
   # Enable sound with pipewire.
-  hardware.pulseaudio.enable = false;
+  services.pulseaudio.enable = false;
   security.rtkit.enable = true;
   services.pipewire = {
     enable = true;