diff --git a/src/industry_gui.cpp b/src/industry_gui.cpp
--- a/src/industry_gui.cpp
+++ b/src/industry_gui.cpp
@@ -883,12 +883,12 @@ public:
 					switch (this->editable) {
 						case EA_MULTIPLIER:
 							SetDParam(0, RoundDivSU(i->prod_level * 100, PRODLEVEL_DEFAULT));
-							ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION_LEVEL, 10, 100, this, CS_ALPHANUMERAL, QSF_NONE);
+							ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION_LEVEL, 10, this, CS_ALPHANUMERAL, QSF_NONE);
 							break;
 
 						case EA_RATE:
 							SetDParam(0, i->production_rate[line - IL_RATE1] * 8);
-							ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION, 10, 100, this, CS_ALPHANUMERAL, QSF_NONE);
+							ShowQueryString(STR_JUST_INT, STR_CONFIG_GAME_PRODUCTION, 10, this, CS_ALPHANUMERAL, QSF_NONE);
 							break;
 
 						default: NOT_REACHED();