--- /usr/bin/xfce4-screensaver-configure	2019-08-25 18:51:46.000000000 +0300
+++ xfce4-screensaver-configure	2020-01-08 15:05:19.281411855 +0200
@@ -50,7 +50,7 @@
     def _get_property(self, prop, default=""):
         prop = "%s/%s" % (self.prefix, prop)
         command = ["xfconf-query", "-c", self.channel, "-p", prop, "-l", "-v"]
-        response = subprocess.check_output(command).decode("utf-8")
+        response = subprocess.check_output(command, env=dict(os.environ, LC_ALL='C')).decode("utf-8")
         if prop in response:
             value = (response.replace(prop, "")).strip()
             return value