diff --git a/smack-tcp/src/main/java/org/jivesoftware/smack/XMPPTCPConnection.java b/smack-tcp/src/main/java/org/jivesoftware/smack/XMPPTCPConnection.java
index 617f89067..1ce7b86f0 100644
--- a/smack-tcp/src/main/java/org/jivesoftware/smack/XMPPTCPConnection.java
+++ b/smack-tcp/src/main/java/org/jivesoftware/smack/XMPPTCPConnection.java
@@ -370,6 +370,7 @@ public class XMPPTCPConnection extends XMPPConnection {
         setWasAuthenticated(authenticated);
         authenticated = false;
         connected = false;
+        usingTLS = false;
         reader = null;
         writer = null;
     }