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++)