diff --git a/ntlm/ntlmv1.go b/ntlm/ntlmv1.go
index 840d224..637254c 100644
--- a/ntlm/ntlmv1.go
+++ b/ntlm/ntlmv1.go
@@ -221,6 +221,13 @@ func (n *V1ServerSession) ProcessAuthenticateMessage(am *AuthenticateMessage) (e
 		return err
 	}
 
+	if am.Version == nil {
+		//UGH not entirely sure how this could possibly happen, going to put this in for now
+		//TODO investigate if this ever is really happening
+		am.Version = &VersionStruct{ProductMajorVersion: uint8(5), ProductMinorVersion: uint8(1), ProductBuild: uint16(2600), NTLMRevisionCurrent: uint8(15)}
+		log.Crit("Nil version in ntlmv1")
+	}
+
 	err = n.calculateKeys(am.Version.NTLMRevisionCurrent)
 	if err != nil {
 		return err