diff --git a/configs/default.nix b/configs/default.nix
index afbb0a3..0cdb19d 100644
--- a/configs/default.nix
+++ b/configs/default.nix
@@ -111,6 +111,7 @@ in
             wttr = pkgs.callPackage <packages/wttr.nix> {};
             nav = pkgs.callPackage <packages/nav.nix> {};
             dirmir = pkgs.callPackage <packages/dirmir.nix> {};
+            favicon = pkgs.callPackage <packages/favicon.nix> {};
             tolino-screensaver = pkgs.callPackage <packages/tolino-screensaver.nix> {};
             # fzf-wrappers = pkgs.callPackage <packages/fzf-wrappers.nix> {}; (broken)
             slide =
diff --git a/configs/packages/default.nix b/configs/packages/default.nix
index 72d2924..7fa915d 100644
--- a/configs/packages/default.nix
+++ b/configs/packages/default.nix
@@ -99,6 +99,7 @@
         fzf
         gnupg
         kmein.haskellPackages.mnemosyne
+        kmein.favicon
         kmein.autorenkalender
         kmein.bvg
         kmein.daybook
diff --git a/packages/favicon.nix b/packages/favicon.nix
new file mode 100644
index 0000000..92c69bd
--- /dev/null
+++ b/packages/favicon.nix
@@ -0,0 +1,4 @@
+{ imagemagick, writers }:
+writers.writeDashBin "favicon" ''
+  ${imagemagick}/bin/convert "$1" -define icon:auto-resize=64,48,32,16 "''${2-favicon.ico}"
+''