diff --git a/src/company_cmd.cpp b/src/company_cmd.cpp
--- a/src/company_cmd.cpp
+++ b/src/company_cmd.cpp
@@ -374,6 +374,7 @@ verify_name:;
 			if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
 		}
 
+		SetDParam(0, strp);
 		name = GetString(str);
 		if (Utf8StringLength(name) >= MAX_LENGTH_COMPANY_NAME_CHARS) goto bad_town_name;