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-rw-r--r--vehicle_gui.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/vehicle_gui.c b/vehicle_gui.c
index 2d3edfd34..967b6ae60 100644
--- a/vehicle_gui.c
+++ b/vehicle_gui.c
@@ -538,9 +538,8 @@ static void SetupScrollStuffForReplaceWindow(Window *w)
const EngineInfo* info = EngInfo(eid);
// left window contains compatible engines while right window only contains engines of the selected type
- if (ENGINE_AVAILABLE && (
- (RailVehInfo(eid)->power != 0 && WP(w, replaceveh_d).wagon_btnstate) ||
- (RailVehInfo(eid)->power == 0 && !WP(w, replaceveh_d).wagon_btnstate))) {
+ if (ENGINE_AVAILABLE &&
+ (RailVehInfo(eid)->power != 0) == (WP(w, replaceveh_d).wagon_btnstate != 0)) {
if (IsCompatibleRail(e->railtype, railtype) && (_player_num_engines[eid] > 0 || EngineHasReplacementForPlayer(p, eid))) {
if (sel[0] == count) selected_id[0] = eid;
count++;