diff --git a/src/company_cmd.cpp b/src/company_cmd.cpp
--- a/src/company_cmd.cpp
+++ b/src/company_cmd.cpp
@@ -116,10 +116,10 @@ void SetLocalCompany(CompanyID new_compa
  * @param company Company to get the colour of.
  * @return Colour of \a company.
  */
-uint16 GetDrawStringCompanyColour(CompanyID company)
+TextColour GetDrawStringCompanyColour(CompanyID company)
 {
-	if (!Company::IsValidID(company)) return _colour_gradient[COLOUR_WHITE][4] | TC_IS_PALETTE_COLOUR;
-	return (_colour_gradient[_company_colours[company]][4]) | TC_IS_PALETTE_COLOUR;
+	if (!Company::IsValidID(company)) return (TextColour)_colour_gradient[COLOUR_WHITE][4] | TC_IS_PALETTE_COLOUR;
+	return (TextColour)_colour_gradient[_company_colours[company]][4] | TC_IS_PALETTE_COLOUR;
 }
 
 /**