diff --git a/core/dive.c b/core/dive.c
index eb6872bc8..03eb82e70 100644
--- a/core/dive.c
+++ b/core/dive.c
@@ -123,7 +123,7 @@ void add_gas_switch_event(struct dive *dive, struct divecomputer *dc, int second
  * have to actually remove the existing event and replace it with a new one.
  * WARNING, WARNING... this may end up freeing event in case that event is indeed
  * WARNING, WARNING... part of this divecomputer on this dive! */
-void update_event_name(struct dive *d, struct event *event, const char *name)
+void update_event_name(struct dive *d, int dc_number, struct event *event, const char *name)
 {
 	if (!d || !event)
 		return;
diff --git a/core/dive.h b/core/dive.h
index 0e4f4f84e..f6f610e52 100644
--- a/core/dive.h
+++ b/core/dive.h
@@ -193,7 +193,7 @@ extern bool is_cylinder_used(const struct dive *dive, int idx);
 extern bool is_cylinder_prot(const struct dive *dive, int idx);
 extern void add_gas_switch_event(struct dive *dive, struct divecomputer *dc, int time, int idx);
 extern struct event *create_gas_switch_event(struct dive *dive, struct divecomputer *dc, int seconds, int idx);
-extern void update_event_name(struct dive *d, struct event *event, const char *name);
+extern void update_event_name(struct dive *d, int dc_number, struct event *event, const char *name);
 extern void per_cylinder_mean_depth(const struct dive *dive, struct divecomputer *dc, int *mean, int *duration);
 extern int get_cylinder_index(const struct dive *dive, const struct event *ev);
 extern struct gasmix get_gasmix_from_event(const struct dive *, const struct event *ev);
diff --git a/smtk-import/smartrak.c b/smtk-import/smartrak.c
index 1b1172368..9e44f0295 100644
--- a/smtk-import/smartrak.c
+++ b/smtk-import/smartrak.c
@@ -806,7 +806,7 @@ static void smtk_parse_bookmarks(MdbHandle *mdb, struct dive *d, char *dive_idx)
 			tmp = strdup(bound_values[2]);
 			ev = find_bookmark(d->dc.events, time);
 			if (ev)
-				update_event_name(d, ev, tmp);
+				update_event_name(d, 0, ev, tmp);
 			else
 				if (!add_event(&d->dc, time, SAMPLE_EVENT_BOOKMARK, 0, 0, tmp))
 					report_error("[smtk-import] Error - Couldn't add bookmark, dive %d, Name = %s",