diff --git a/examples/examples_gui.py b/examples/examples_gui.py
index 2f97211..bd898ed 100644
--- a/examples/examples_gui.py
+++ b/examples/examples_gui.py
@@ -390,7 +390,8 @@ def on_service_name_change(self, index, value, op):
             #   just ignore incomplete entries.
             return
         # We got info, so use the info to set *other* fields:
-        self.fields['host'].set(info['server'])
+        self.fields['host'].set(info['server'].rstrip("."))
+        # ^ Remove trailing "." to prevent getaddrinfo failed.
         self.fields['port'].set(info['port'])
         self.set_status("Hostname & Port have been set ({server}:{port})"
                         .format(**info))