diff --git a/pkgs/desktops/gnome-3/core/gucharmap/default.nix b/pkgs/desktops/gnome-3/core/gucharmap/default.nix
index 861702a3986e..797eb00bd3ff 100644
--- a/pkgs/desktops/gnome-3/core/gucharmap/default.nix
+++ b/pkgs/desktops/gnome-3/core/gucharmap/default.nix
@@ -1,6 +1,7 @@
-{ stdenv, intltool, fetchFromGitLab, pkgconfig, gtk3, defaultIconTheme
-, glib, desktop-file-utils, appdata-tools, gtk-doc, autoconf, automake, libtool
-, wrapGAppsHook, gnome3, itstool, libxml2
+{ stdenv, intltool, fetchFromGitLab, fetchpatch, pkgconfig, gtk3, defaultIconTheme
+, glib, desktop-file-utils, gtk-doc, autoconf, automake, libtool
+, wrapGAppsHook, gnome3, itstool, libxml2, yelp-tools
+, docbook_xsl, docbook_xml_dtd_412, gsettings-desktop-schemas
 , callPackage, unzip, gobjectIntrospection }:
 
 let
@@ -9,6 +10,8 @@ in stdenv.mkDerivation rec {
   name = "gucharmap-${version}";
   version = "11.0.1";
 
+  outputs = [ "out" "lib" "dev" "devdoc" ];
+
   src = fetchFromGitLab {
     domain = "gitlab.gnome.org";
     owner = "GNOME";
@@ -17,16 +20,26 @@ in stdenv.mkDerivation rec {
     sha256 = "13iw4fa6mv8vi8bkwk0bbhamnzbaih0c93p4rh07khq6mxa6hnpi";
   };
 
-  nativeBuildInputs = [
-    pkgconfig wrapGAppsHook unzip intltool itstool appdata-tools
-    autoconf automake libtool gtk-doc
-    gnome3.yelp-tools libxml2 desktop-file-utils gobjectIntrospection
+  patches = [
+    # Fix locale path to allow split outputs
+    # https://gitlab.gnome.org/GNOME/gucharmap/issues/10
+    (fetchpatch {
+      url = https://gitlab.gnome.org/GNOME/gucharmap/commit/b2b03f16aa869ac0ec1a05c55c4d4e4c4b513576.patch;
+      sha256 = "1543mcyz96x23m9pzx04ny15m4a2pqmiksl1y5r51k3sw4fyisci";
+    })
   ];
 
-  buildInputs = [ gtk3 glib gnome3.gsettings-desktop-schemas defaultIconTheme ];
+  nativeBuildInputs = [
+    pkgconfig wrapGAppsHook unzip intltool itstool
+    autoconf automake libtool gtk-doc docbook_xsl docbook_xml_dtd_412
+    yelp-tools libxml2 desktop-file-utils gobjectIntrospection
+  ];
+
+  buildInputs = [ gtk3 glib gsettings-desktop-schemas defaultIconTheme ];
 
   configureFlags = [
     "--with-unicode-data=${unicode-data}"
+    "--enable-gtk-doc"
   ];
 
   doCheck = true;