diff --git a/nml/actions/action2var_variables.py b/nml/actions/action2var_variables.py
index 47acd0e0..040b59a9 100644
--- a/nml/actions/action2var_variables.py
+++ b/nml/actions/action2var_variables.py
@@ -298,7 +298,7 @@ def vehicle_tramtype(name, args, pos, info):
     **varact2vars_base_stations,
     # Vars 40, 41, 46, 47, 49 are implemented as 60+x vars,
     # except for the 'tile type' part which is always the same anyways
-    'tile_type'                : {'var': 0x40, 'start': 24, 'size': 4},
+    'tile_type'                : {'var': 0x40, 'start': 24, 'size': 8},
     'terrain_type'             : {'var': 0x42, 'start':  0, 'size': 8},
     'track_type'               : {'var': 0x42, 'start':  8, 'size': 8},
     'company_num'              : {'var': 0x43, 'start':  0, 'size': 8},