@@ -24,7 +24,7 @@
* @param caller_grffile #GRFFile of the entity asking for a town variable.
* @return the value stored in the corresponding variable
*/
uint32 TownGetVariable(byte variable, byte parameter, bool *available, Town *t, const GRFFile *caller_grffile)
uint32 TownGetVariable(byte variable, uint32 parameter, bool *available, Town *t, const GRFFile *caller_grffile)
{
switch (variable) {
/* Larger towns */