diff --git a/zulip/integrations/bridge_with_slack/run-slack-bridge b/zulip/integrations/bridge_with_slack/run-slack-bridge
index 4a62baa..919763f 100755
--- a/zulip/integrations/bridge_with_slack/run-slack-bridge
+++ b/zulip/integrations/bridge_with_slack/run-slack-bridge
@@ -77,7 +77,7 @@ class SlackBridge:
         _wc = slack.WebClient(token=self.slack_config["token"])
         members = _wc.users_list()
         # See also https://api.slack.com/changelog/2017-09-the-one-about-usernames
-        self.slack_id_to_name = {u["id"]: u["profile"]["display_name"] for u in members}
+        self.slack_id_to_name = {u["id"]: u["profile"].get("display_name", u["profile"]["real_name"]) for u in members}
         self.slack_name_to_id = {v: k for k, v in self.slack_id_to_name.items()}
 
         @slack.RTMClient.run_on(event='message')