diff --git a/src/industry_cmd.h b/src/industry_cmd.h
--- a/src/industry_cmd.h
+++ b/src/industry_cmd.h
@@ -20,7 +20,7 @@ CommandCost CmdBuildIndustry(DoCommandFl
 CommandCost CmdIndustrySetFlags(DoCommandFlag flags, IndustryID ind_id, IndustryControlFlags ctlflags);
 CommandCost CmdIndustrySetExclusivity(DoCommandFlag flags, IndustryID ind_id, Owner company_id, bool consumer);
 CommandCost CmdIndustrySetText(DoCommandFlag flags, IndustryID ind_id, const std::string &text);
-CommandCost CmdIndustrySetProduction(DoCommandFlag flags, IndustryID ind_id, byte prod_level, bool show_news);
+CommandCost CmdIndustrySetProduction(DoCommandFlag flags, IndustryID ind_id, byte prod_level, bool show_news, const std::string &text);
 
 DEF_CMD_TRAIT(CMD_BUILD_INDUSTRY, CmdBuildIndustry, CMD_DEITY, CMDT_LANDSCAPE_CONSTRUCTION)
 DEF_CMD_TRAIT(CMD_INDUSTRY_SET_FLAGS, CmdIndustrySetFlags, CMD_DEITY, CMDT_OTHER_MANAGEMENT)