diff --git a/source3/smbd/smb2_server.c b/source3/smbd/smb2_server.c
index a0e390e..a224e9c 100644
--- a/source3/smbd/smb2_server.c
+++ b/source3/smbd/smb2_server.c
@@ -573,6 +573,25 @@ static void smb2_set_operation_credit(struct smbd_server_connection *sconn,
 		(unsigned int)sconn->smb2.seqnum_range));
 }
 
+/*
+ * Sign each of the responses.
+ */
+static NTSTATUS smb2_sign_response(struct smbd_smb2_request *req)
+{
+	NTSTATUS status = NT_STATUS_OK;
+	int idx = 0;
+	int count = req->out.vector_count;
+
+	for (idx=1; idx < count; idx += 3) {
+		status = smb2_signing_sign_pdu(req->session->session_key,
+				       &req->out.vector[idx], 3);
+		if (!NT_STATUS_IS_OK(status)) {
+			return status;
+		}
+	}
+	return status;
+}
+
 static void smb2_calculate_credits(const struct smbd_smb2_request *inreq,
 				struct smbd_smb2_request *outreq)
 {
@@ -1821,9 +1840,8 @@ static NTSTATUS smbd_smb2_request_reply(struct smbd_smb2_request *req)
 	smb2_calculate_credits(req, req);
 
 	if (req->do_signing) {
-		NTSTATUS status;
-		status = smb2_signing_sign_pdu(req->session->session_key,
-					       &req->out.vector[i], 3);
+		NTSTATUS status = smb2_sign_response(req);
+
 		if (!NT_STATUS_IS_OK(status)) {
 			return status;
 		}