diff --git a/snmplib/snmp_api.c b/snmplib/snmp_api.c
index 4c934ba..5d7a3c7 100644
--- a/snmplib/snmp_api.c
+++ b/snmplib/snmp_api.c
@@ -5134,7 +5134,7 @@
      * specified in the received PDU.  
      */
 
-    if (session->sndMsgMaxSize != 0 && length > session->sndMsgMaxSize) {
+    if (pdu->version == SNMP_VERSION_3 && session->sndMsgMaxSize != 0 && length > session->sndMsgMaxSize) {
         DEBUGMSGTL(("sess_async_send",
                     "length of packet (%lu) exceeds session maximum (%lu)\n",
                     (unsigned long)length, (unsigned long)session->sndMsgMaxSize));