diff --git a/pkgs/data/misc/shared-mime-info/default.nix b/pkgs/data/misc/shared-mime-info/default.nix
index 197793db6c66..8de13f2eaf36 100644
--- a/pkgs/data/misc/shared-mime-info/default.nix
+++ b/pkgs/data/misc/shared-mime-info/default.nix
@@ -14,7 +14,7 @@
 
 stdenv.mkDerivation rec {
   pname = "shared-mime-info";
-  version = "2.2";
+  version = "2.3";
 
   outputs = [ "out" "dev" ];
 
@@ -23,9 +23,15 @@ stdenv.mkDerivation rec {
     owner = "xdg";
     repo = pname;
     rev = version;
-    sha256 = "sha256-QrRe/DcjpTMejHXDSOLbjpJywod8qIjP6/leTZ21rhE=";
+    sha256 = "sha256-cEfknRVtOJykEO9Iqlb0UoiayYtu+ugvmmZqAD5cGnE=";
   };
 
+  patches = [
+    # Submitted upstream at
+    # https://gitlab.freedesktop.org/xdg/shared-mime-info/-/issues/211
+    ./fix-clang-warnings.patch
+  ];
+
   nativeBuildInputs = [
     meson
     ninja
diff --git a/pkgs/data/misc/shared-mime-info/fix-clang-warnings.patch b/pkgs/data/misc/shared-mime-info/fix-clang-warnings.patch
new file mode 100644
index 000000000000..2d185549c4e6
--- /dev/null
+++ b/pkgs/data/misc/shared-mime-info/fix-clang-warnings.patch
@@ -0,0 +1,31 @@
+diff --git a/meson.build b/meson.build
+index 1780c44..7998a51 100644
+--- a/meson.build
++++ b/meson.build
+@@ -49,12 +49,7 @@ endif
+ ###############################################################################
+ # Dependencies
+ 
+-check_functions = [
+-    'fdatasync',
+-]
+-foreach function : check_functions
+-    config.set('HAVE_'+function.to_upper(), cc.has_function(function))
+-endforeach
++config.set('HAVE_FDATASYNC', cc.has_function('fdatasync', prefix: '#include <unistd.h>'))
+ 
+ 
+ if get_option('build-translations')
+diff --git a/src/update-mime-database.cpp b/src/update-mime-database.cpp
+index 733ba06..4ca6d06 100644
+--- a/src/update-mime-database.cpp
++++ b/src/update-mime-database.cpp
+@@ -2158,7 +2158,7 @@ static void check_in_path_xdg_data(const char *mime_path)
+ 
+ 	env = getenv("XDG_DATA_DIRS");
+ 	if (!env)
+-		env = "/usr/local/share/"PATH_SEPARATOR"/usr/share/";
++		env = "/usr/local/share/" PATH_SEPARATOR "/usr/share/";
+ 	dirs = g_strsplit(env, PATH_SEPARATOR, 0);
+ 	g_return_if_fail(dirs != NULL);
+ 	for (n = 0; dirs[n]; n++)