diff --git a/src/module/decode/p25/audio/P25AudioModule.java b/src/module/decode/p25/audio/P25AudioModule.java
index a8f7383f..d6aa4c9f 100644
--- a/src/module/decode/p25/audio/P25AudioModule.java
+++ b/src/module/decode/p25/audio/P25AudioModule.java
@@ -262,6 +262,7 @@ public class P25AudioModule extends Module implements Listener<Message>, IAudioP
 
                 mEncryptedCallStateEstablished = false;
                 mEncryptedCall = false;
+                mCachedLDU1Message = null;
             }
         }
     }