diff --git a/flake.nix b/flake.nix
index 466d9c491..2b063beae 100644
--- a/flake.nix
+++ b/flake.nix
@@ -60,19 +60,16 @@
       };
 
       lib = {
-        # Patch the logos in a built Mobilizon package, so we don't have to do it in the source tree.
-        mobilizonPatchLogos = pkg: icons:
+        # Patch the logos in the source tree of a mobilizon-frontend package before building.
+        # Can be used to construct the argument for .overrideAttrs on mobilizon-frontend.
+        mobilizonLogosOverride = icons:
           let
             inherit (icons) logo favicon;
-            faviconDir = "./lib/mobilizon-${pkg.version}/priv/static";
-            iconDir = "${faviconDir}/img/icons";
           in
-          pkgs.stdenvNoCC.mkDerivation {
-            inherit (pkg) name pname version;
-            src = pkg;
-            nativeBuildInputs = [ pkgs.imagemagick ];
-            patchPhase = ''
-              cp '${logo}' ${faviconDir}/img/logo.svg
+          old: {
+            nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ [ pkgs.imagemagick ];
+            postPatch = ''
+              cp '${logo}' src/assets/logo.svg
 
               magick convert \
                 -resize x16 \
@@ -81,7 +78,7 @@
                 -flatten \
                 -colors 256 \
                 '${favicon}' \
-                ${iconDir}/favicon-16x16.png
+                public/img/icons/favicon-16x16.png
 
               magick convert \
                 -resize x32 \
@@ -90,7 +87,7 @@
                 -flatten \
                 -colors 256 \
                 '${favicon}' \
-                ${iconDir}/favicon-32x32.png
+                public/img/icons/favicon-32x32.png
 
 
               magick convert \
@@ -120,30 +117,35 @@
                 '${favicon}' \
                 favicon-48x48.ico
 
-              magick convert favicon-16x16.ico favicon-32x32.ico favicon-48x48.ico ${faviconDir}/favicon.ico
+              magick convert \
+                favicon-16x16.ico \
+                favicon-32x32.ico \
+                favicon-48x48.ico \
+                public/favicon.ico
+
               rm favicon-16x16.ico favicon-32x32.ico favicon-48x48.ico
 
-              cp '${favicon}' ${iconDir}/favicon.svg
-              cp '${favicon}' ${iconDir}/safari-pinned-tab.svg
+              cp '${favicon}' public/img/icons/favicon.svg
+              cp '${favicon}' public/img/icons/safari-pinned-tab.svg
 
               magick convert \
                 '${favicon}' \
                 -gravity center \
                 -extent 630x350 \
-                ${faviconDir}/img/mobilizon_default_card.png
+                public/img/mobilizon_default_card.png
 
               magick convert \
                 -background '#e08c96' \
                 '${logo}' \
                 -resize 366x108 \
-                ${faviconDir}/img/mobilizon_logo.png
+                public/img/mobilizon_logo.png
 
             '' + nixpkgs.lib.concatMapStrings
               ({ resize, filename }: ''
                 magick convert \
                   -resize x${resize} \
                   '${favicon}' \
-                  ${iconDir}/${filename}
+                  public/img/icons/${filename}
 
               '')
               [
@@ -171,9 +173,6 @@
                 { resize = "192"; filename = "android-chrome-maskable-192x192.png"; }
                 { resize = "512"; filename = "android-chrome-maskable-512x512.png"; }
               ];
-
-
-            installPhase = "cp -R ./ $out";
           };
 
       };