diff --git a/openbsc/include/openbsc/gsm_04_80.h b/openbsc/include/openbsc/gsm_04_80.h
index dd699f23d..ce1b5c2bb 100644
--- a/openbsc/include/openbsc/gsm_04_80.h
+++ b/openbsc/include/openbsc/gsm_04_80.h
@@ -7,10 +7,10 @@
 struct gsm_subscriber_connection;
 
 int gsm0480_send_ussd_response(struct gsm_subscriber_connection *conn,
-			       const struct msgb *in_msg, const char* response_text, 
+			       const struct msgb *in_msg, const char* response_text,
 			       const struct ss_request *req);
 int gsm0480_send_ussd_reject(struct gsm_subscriber_connection *conn,
-			     const struct msgb *msg, 
+			     const struct msgb *msg,
 			     const struct ss_request *request);
 
 int msc_send_ussd_notify(struct gsm_subscriber_connection *conn, int level,