diff --git a/core/trip.cpp b/core/trip.cpp
index a10c59b7b..ac748dd8e 100644
--- a/core/trip.cpp
+++ b/core/trip.cpp
@@ -138,11 +138,10 @@ std::pair<dive_trip *, std::unique_ptr<dive_trip>> get_trip_for_new_dive(const s
 }
 
 /* lookup of trip in main trip_table based on its id */
-dive_trip *get_trip_by_uniq_id(int tripId)
+dive_trip *trip_table::get_by_uniq_id(int tripId) const
 {
-	auto it = std::find_if(divelog.trips->begin(), divelog.trips->end(),
-			       [tripId](auto &t) { return t->id == tripId; });
-	return it != divelog.trips->end() ? it->get() : nullptr;
+	auto it = std::find_if(begin(), end(), [tripId](auto &t) { return t->id == tripId; });
+	return it != end() ? it->get() : nullptr;
 }
 
 /* Check if two trips overlap time-wise up to trip threshold. */
diff --git a/core/trip.h b/core/trip.h
index 51c5a798c..6a48cf328 100644
--- a/core/trip.h
+++ b/core/trip.h
@@ -25,6 +25,7 @@ struct dive_trip
 int comp_trips(const dive_trip &t1, const dive_trip &t2);
 
 struct trip_table : public sorted_owning_table<dive_trip, &comp_trips> {
+	dive_trip *get_by_uniq_id(int tripId) const;
 };
 
 extern void add_dive_to_trip(struct dive *, dive_trip *);
@@ -45,7 +46,6 @@ struct dives_to_autogroup_result {
 
 extern std::vector<dives_to_autogroup_result> get_dives_to_autogroup(struct dive_table *table);
 extern std::pair<dive_trip *, std::unique_ptr<dive_trip>> get_trip_for_new_dive(const struct dive *new_dive);
-extern dive_trip *get_trip_by_uniq_id(int tripId);
 extern bool trips_overlap(const struct dive_trip &t1, const struct dive_trip &t2);
 
 extern std::unique_ptr<dive_trip> combine_trips(struct dive_trip *trip_a, struct dive_trip *trip_b);
diff --git a/mobile-widgets/qmlmanager.cpp b/mobile-widgets/qmlmanager.cpp
index 54f39e08a..ac5bba6d0 100644
--- a/mobile-widgets/qmlmanager.cpp
+++ b/mobile-widgets/qmlmanager.cpp
@@ -1369,7 +1369,7 @@ void QMLManager::commitChanges(QString diveId, QString number, QString date, QSt
 void QMLManager::updateTripDetails(QString tripIdString, QString tripLocation, QString tripNotes)
 {
 	int tripId = tripIdString.toInt();
-	dive_trip *trip = get_trip_by_uniq_id(tripId);
+	dive_trip *trip = divelog.trips->get_by_uniq_id(tripId);
 	if (!trip) {
 		report_info("updateTripData: cannot find trip for tripId %s", qPrintable(tripIdString));
 		return;
@@ -1428,7 +1428,7 @@ void QMLManager::addDiveToTrip(int id, int tripId)
 		appendTextToLog(QString("Asked to add non-existing dive with id %1 to trip %2.").arg(id).arg(tripId));
 		return;
 	}
-	struct dive_trip *dt = get_trip_by_uniq_id(tripId);
+	struct dive_trip *dt = divelog.trips->get_by_uniq_id(tripId);
 	if (!dt) {
 		appendTextToLog(QString("Asked to add dive with id %1 to trip with id %2 which cannot be found.").arg(id).arg(tripId));
 		return;