diff --git a/src/pkt_normalizer.c b/src/pkt_normalizer.c
index f9d0204c..1376ae40 100644
--- a/src/pkt_normalizer.c
+++ b/src/pkt_normalizer.c
@@ -124,6 +124,17 @@ void pn_deinit(struct PKTNORM* pn) {
 void pn_unpacker_reset_state(struct PKTNORM* pn) {
     DEBUG_TRACE(DEBUG_CATEGORY_NORMALIZER, "");
     if (!pn) return;
+    
+    // Reset buffer
+    if (pn->data) {
+        memory_pool_free(pn->etcp->instance->data_pool, pn->data);
+        pn->data = NULL;
+    }
+    pn->data_ptr = 0;
+    pn->data_size = 0;
+    pn->frag_size = 0;
+    
+    // Reset recvpart
     if (pn->recvpart) {
         queue_dgram_free(pn->recvpart);
         queue_entry_free(pn->recvpart);