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-rw-r--r--src/newgrf_airport.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/newgrf_airport.cpp b/src/newgrf_airport.cpp
index 61ad46ac0..86b65fd0e 100644
--- a/src/newgrf_airport.cpp
+++ b/src/newgrf_airport.cpp
@@ -223,8 +223,8 @@ void AirportOverrideManager::SetEntitySpec(AirportSpec *as)
{
/* Airport action 2s should always have only 1 "loaded" state, but some
* times things don't follow the spec... */
- if (group->num_loaded > 0) return group->loaded[0];
- if (group->num_loading > 0) return group->loading[0];
+ if (!group->loaded.empty()) return group->loaded[0];
+ if (!group->loading.empty()) return group->loading[0];
return nullptr;
}