diff --git a/appservice.py b/appservice.py
index 66d2e5f..c6b0459 100644
--- a/appservice.py
+++ b/appservice.py
@@ -142,6 +142,6 @@ def get_displayname(userid):
     r = requests.get(url)
     if r.status_code == 200:
         data = json.loads(r.text)
-        return data["displayname"]
-    else:
-        return userid
\ No newline at end of file
+        if 'displayname' in data:
+            return data["displayname"]
+    return userid