diff --git a/src/saveload/company_sl.cpp b/src/saveload/company_sl.cpp
--- a/src/saveload/company_sl.cpp
+++ b/src/saveload/company_sl.cpp
@@ -61,7 +61,7 @@ CompanyManagerFace ConvertFromOldCompany
 	uint lips = GB(face, 10, 4);
 	if (!HasBit(ge, GENDER_FEMALE) && lips < 4) {
 		SetCompanyManagerFaceBits(cmf, CMFV_HAS_MOUSTACHE, ge, true);
-		SetCompanyManagerFaceBits(cmf, CMFV_MOUSTACHE,     ge, max(lips, 1U) - 1);
+		SetCompanyManagerFaceBits(cmf, CMFV_MOUSTACHE,     ge, std::max(lips, 1U) - 1);
 	} else {
 		if (!HasBit(ge, GENDER_FEMALE)) {
 			lips = lips * 15 / 16;