diff --git a/src/table/settings/game_settings.ini b/src/table/settings/game_settings.ini
index d1d6751fce..77b4488fc7 100644
--- a/src/table/settings/game_settings.ini
+++ b/src/table/settings/game_settings.ini
@@ -337,6 +337,7 @@ max      = 200
 str      = STR_CONFIG_SETTING_TRAIN_ACC_BRAKING_PERCENT
 strhelp  = STR_CONFIG_SETTING_TRAIN_ACC_BRAKING_PERCENT_HELPTEXT
 strval   = STR_CONFIG_SETTING_TRAIN_ACC_BRAKING_PERCENT_VALUE
+post_cb  = TrainAccelerationModelChanged
 cat      = SC_EXPERT
 
 [SDT_VAR]