diff --git a/earwigbot/wiki/copyvios/__init__.py b/earwigbot/wiki/copyvios/__init__.py
index e3bab8a..a9d53bd 100644
--- a/earwigbot/wiki/copyvios/__init__.py
+++ b/earwigbot/wiki/copyvios/__init__.py
@@ -82,7 +82,7 @@ class CopyvioMixIn(object):
                 return None
 
         ctype_full = response.headers.get("Content-Type", "text/plain")
-        ctype = ctype_full.split("; ", 1)[0]
+        ctype = ctype_full.split(";", 1)[0]
         if ctype in ["text/html", "application/xhtml+xml"]:
             return HTMLTextParser(result).strip()
         elif ctype == "text/plain":