1 files changed, 6 insertions, 0 deletions
diff --git a/unit.c b/unit.c
index 30ffd96311..3b30c8265f 100644
--- a/unit.c
+++ b/unit.c
@@ -334,6 +334,12 @@ UnitActiveState unit_active_state(Unit *u) {
         return UNIT_VTABLE(u)->active_state(u);
 }
 
+const char* unit_sub_state_to_string(Unit *u) {
+        assert(u);
+
+        return UNIT_VTABLE(u)->sub_state_to_string(u);
+}
+
 static void complete_move(Set **s, Set **other) {
         assert(s);
         assert(other);