diff --git a/lib/imap.js b/lib/imap.js
index 0c9e595..2cf46eb 100644
--- a/lib/imap.js
+++ b/lib/imap.js
@@ -65,6 +65,7 @@ function ImapConnection (options) {
     },
     box: {
       uidnext: 0,
+      readOnly: false,
       flags: [],
       newKeywords: false,
       uidvalidity: 0,
@@ -1247,6 +1248,7 @@ ImapConnection.prototype._reset = function() {
 
 ImapConnection.prototype._resetBox = function() {
   this._state.box.uidnext = 0;
+  this._state.box.readOnly = false;
   this._state.box.flags = [];
   this._state.box.newKeywords = false;
   this._state.box.uidvalidity = 0;