diff --git a/core/trip.c b/core/trip.c
index bc9b1b5a9..c4534fe27 100644
--- a/core/trip.c
+++ b/core/trip.c
@@ -122,7 +122,9 @@ void remove_dive_from_trip(struct dive *dive, struct trip_table *trip_table_arg)
 
 dive_trip_t *alloc_trip(void)
 {
-	return calloc(1, sizeof(dive_trip_t));
+	dive_trip_t *res = calloc(1, sizeof(dive_trip_t));
+	res->id = dive_getUniqID();
+	return res;
 }
 
 /* insert the trip into the trip table */
diff --git a/core/trip.h b/core/trip.h
index 2ca2791cd..51f371589 100644
--- a/core/trip.h
+++ b/core/trip.h
@@ -13,6 +13,7 @@ typedef struct dive_trip
 	char *location;
 	char *notes;
 	struct dive_table dives;
+	int id; /* unique ID for this trip: used to pass trips through QML. */
 	/* Used by the io-routines to mark trips that have already been written. */
 	bool saved;
 	bool autogen;