diff --git a/src/MySQLdb/connections.py b/src/MySQLdb/connections.py
index c713229..0d2627c 100644
--- a/src/MySQLdb/connections.py
+++ b/src/MySQLdb/connections.py
@@ -222,6 +222,10 @@ class object, used to create cursors (keyword only)
                 FIELD_TYPE.MEDIUM_BLOB,
                 FIELD_TYPE.LONG_BLOB,
                 FIELD_TYPE.BLOB,
+                FIELD_TYPE.SET,
+                FIELD_TYPE.ENUMS,
+                FIELD_TYPE.BINARY,
+                FIELD_TYPE.CHAR
             ):
                 self.converter[t] = _bytes_or_str
             # Unlike other string/blob types, JSON is always text.