diff --git a/src/host/layer23/include/osmocom/bb/common/l23_app.h b/src/host/layer23/include/osmocom/bb/common/l23_app.h
index 0b9994c31..d5f0fd3a2 100644
--- a/src/host/layer23/include/osmocom/bb/common/l23_app.h
+++ b/src/host/layer23/include/osmocom/bb/common/l23_app.h
@@ -16,8 +16,8 @@ enum {
 /* initialization, called once when starting the app, before entering
  * select loop */
 extern int l23_app_init(struct osmocom_ms *ms);
-extern int (*l23_app_work) (struct osmocom_ms *ms);
-extern int (*l23_app_exit) (struct osmocom_ms *ms);
+extern int (*l23_app_work)(struct osmocom_ms *ms);
+extern int (*l23_app_exit)(struct osmocom_ms *ms);
 
 /* configuration options */
 struct l23_app_info {
diff --git a/src/host/layer23/src/common/main.c b/src/host/layer23/src/common/main.c
index f71401021..684131309 100644
--- a/src/host/layer23/src/common/main.c
+++ b/src/host/layer23/src/common/main.c
@@ -54,8 +54,8 @@ static char *gsmtap_ip = NULL;
 static char *vty_ip = "127.0.0.1";
 
 unsigned short vty_port = 4247;
-int (*l23_app_work) (struct osmocom_ms *ms) = NULL;
-int (*l23_app_exit) (struct osmocom_ms *ms) = NULL;
+int (*l23_app_work)(struct osmocom_ms *ms) = NULL;
+int (*l23_app_exit)(struct osmocom_ms *ms) = NULL;
 int quit = 0;
 struct gsmtap_inst *gsmtap_inst;