diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -2123,9 +2123,10 @@ CommandCost CmdIndustrySetFlags(DoComman
  * @param ind_id IndustryID
  * @param prod_level Production level.
  * @param show_news Show a news message on production change.
+ * @param custom_news Custom news message text.
  * @return Empty cost or an error.
  */
-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 &custom_news)
 {
 	if (_current_company != OWNER_DEITY) return CMD_ERROR;
 	if (prod_level < PRODLEVEL_MINIMUM || prod_level > PRODLEVEL_MAXIMUM) return CMD_ERROR;
@@ -2140,6 +2141,7 @@ CommandCost CmdIndustrySetProduction(DoC
 		} else if (prod_level < ind->prod_level) {
 			str = GetIndustrySpec(ind->type)->production_down_text;
 		}
+		if (prod_level != ind->prod_level && !custom_news.empty()) str = STR_NEWS_CUSTOM_ITEM;
 
 		ind->ctlflags |= INDCTL_EXTERNAL_PROD_LEVEL;
 		ind->prod_level = prod_level;
@@ -2156,14 +2158,18 @@ CommandCost CmdIndustrySetProduction(DoC
 			}
 
 			/* Set parameters of news string */
-			if (str > STR_LAST_STRINGID) {
+			NewsAllocatedData *data = nullptr;
+			if (str == STR_NEWS_CUSTOM_ITEM) {
+				NewsStringData *news = new NewsStringData(custom_news);
+				SetDParamStr(0, news->string);
+			} else if (str > STR_LAST_STRINGID) {
 				SetDParam(0, STR_TOWN_NAME);
 				SetDParam(1, ind->town->index);
 				SetDParam(2, GetIndustrySpec(ind->type)->name);
 			} else {
 				SetDParam(0, ind->index);
 			}
-			AddIndustryNewsItem(str, nt, ind->index);
+			AddIndustryNewsItem(str, nt, ind->index, data);
 		}
 	}