diff --git a/include/osmocom/mgcp_client/mgcp_client.h b/include/osmocom/mgcp_client/mgcp_client.h
index b649abd..19abaf3 100644
--- a/include/osmocom/mgcp_client/mgcp_client.h
+++ b/include/osmocom/mgcp_client/mgcp_client.h
@@ -26,9 +26,9 @@
 typedef unsigned int mgcp_trans_id_t;
 
 struct mgcp_response_head {
-       int response_code;
-       mgcp_trans_id_t trans_id;
-       const char *comment;
+	int response_code;
+	mgcp_trans_id_t trans_id;
+	const char *comment;
 	char conn_id[MGCP_CONN_ID_LENGTH];
 };