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-rw-r--r--src/ship_cmd.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp
index 625c0cdd4..dd999b08c 100644
--- a/src/ship_cmd.cpp
+++ b/src/ship_cmd.cpp
@@ -346,8 +346,8 @@ static bool ShipAccelerate(Vehicle *v)
SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);
}
- /* Decrease somewhat when turning */
- if (!(v->direction & 1)) spd = spd * 3 / 4;
+ /* Convert direction-indepenent speed into direction-dependent speed. (old movement method) */
+ spd = v->GetOldAdvanceSpeed(spd);
if (spd == 0) return false;
if ((byte)++spd == 0) return true;