1 files changed, 1 insertions, 1 deletions
diff --git a/lib/net/imap.rb b/lib/net/imap.rb
index 06e1a30094..9095ea399a 100644
--- a/lib/net/imap.rb
+++ b/lib/net/imap.rb
@@ -2170,7 +2170,7 @@ module Net
             break
           when T_SPACE
             shift_token
-            token = lookahead
+            next
           end
           case token.value
           when /\A(?:ENVELOPE)\z/ni