diff --git a/src/script/api/script_companymode.cpp b/src/script/api/script_companymode.cpp
--- a/src/script/api/script_companymode.cpp
+++ b/src/script/api/script_companymode.cpp
@@ -13,13 +13,13 @@
 
 #include "../../safeguards.h"
 
-ScriptCompanyMode::ScriptCompanyMode(int company)
+ScriptCompanyMode::ScriptCompanyMode(SQInteger company)
 {
 	if (company < OWNER_BEGIN || company >= MAX_COMPANIES) company = INVALID_COMPANY;
 	if (!::Company::IsValidID(company)) company = INVALID_COMPANY;
 
 	this->last_company = ScriptObject::GetCompany();
-	ScriptObject::SetCompany((CompanyID)company);
+	ScriptObject::SetCompany((::CompanyID)company);
 }
 
 ScriptCompanyMode::~ScriptCompanyMode()
diff --git a/src/script/api/script_companymode.hpp b/src/script/api/script_companymode.hpp
--- a/src/script/api/script_companymode.hpp
+++ b/src/script/api/script_companymode.hpp
@@ -40,7 +40,7 @@ public:
 	 * @note When the instance is destroyed, it restores the company that was
 	 *   current when the instance was created!
 	 */
-	ScriptCompanyMode(int company);
+	ScriptCompanyMode(SQInteger company);
 
 	/**
 	 * Destroying this instance reset the company to that what it was