diff --git a/src/internal.c b/src/internal.c
index 9f16d2f92..ac183a01f 100644
--- a/src/internal.c
+++ b/src/internal.c
@@ -1919,6 +1919,7 @@ void FreeArrays(CYASSL* ssl, int keep)
     if (ssl->arrays && keep) {
         /* keeps session id for user retrieval */
         XMEMCPY(ssl->session.sessionID, ssl->arrays->sessionID, ID_LEN);
+        ssl->session.sessionIDSz = ssl->arrays->sessionIDSz;
     }
     XFREE(ssl->arrays, ssl->heap, DYNAMIC_TYPE_ARRAYS);
     ssl->arrays = NULL;
diff --git a/src/ssl.c b/src/ssl.c
index 9657f86c7..4d7d05766 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -5623,6 +5623,7 @@ int AddSession(CYASSL* ssl)
            ssl->arrays->masterSecret, SECRET_LEN);
     XMEMCPY(SessionCache[row].Sessions[idx].sessionID, ssl->arrays->sessionID,
            ID_LEN);
+    SessionCache[row].Sessions[idx].sessionIDSz = ssl->arrays->sessionIDSz;
 
     SessionCache[row].Sessions[idx].timeout = ssl->timeout;
     SessionCache[row].Sessions[idx].bornOn  = LowResTimer();