diff --git a/Lib/imaplib.py b/Lib/imaplib.py
index 4586fb3..10ff340 100644
--- a/Lib/imaplib.py
+++ b/Lib/imaplib.py
@@ -1002,6 +1002,11 @@
                 del self.tagged_commands[tag]
                 return result
 
+            # If we've seen a BYE at this point, the socket will be
+            # closed, so report the BYE now.
+
+            self._check_bye()
+
             # Some have reported "unexpected response" exceptions.
             # Note that ignoring them here causes loops.
             # Instead, send me details of the unexpected response and