diff --git a/headphones/request.py b/headphones/request.py
index 3916199a..1c6f0308 100644
--- a/headphones/request.py
+++ b/headphones/request.py
@@ -206,7 +206,7 @@ def server_message(response):
     message = None
 
     # First attempt is to 'read' the response as HTML
-    if response.headers.get("content-type") == "text/html":
+    if response.headers.get("content-type") and "text/html" in response.headers.get("content-type"):
         try:
             soup = BeautifulSoup(response.content, "html5lib")
         except Exception: