diff --git a/src/tracerestrict_gui.cpp b/src/tracerestrict_gui.cpp
index ec90d0da3b..253f3b0bec 100644
--- a/src/tracerestrict_gui.cpp
+++ b/src/tracerestrict_gui.cpp
@@ -2286,7 +2286,7 @@ public:
 
 		if (widget == TR_WIDGET_VALUE_DROPDOWN || widget == TR_WIDGET_LEFT_AUX_DROPDOWN) {
 			TraceRestrictTypePropertySet type = GetTraceRestrictTypeProperties(item);
-			if (this->value_drop_down_is_company || type.value_type == TRVT_GROUP_INDEX || type.value_type == TRVT_SLOT_INDEX || type.value_type == TRVT_SLOT_INDEX_INT || type.value_type == TRVT_COUNTER_INDEX_INT || type.value_type == TRVT_TIME_DATE_INT) {
+			if ((widget == TR_WIDGET_VALUE_DROPDOWN && this->value_drop_down_is_company) || type.value_type == TRVT_GROUP_INDEX || type.value_type == TRVT_SLOT_INDEX || type.value_type == TRVT_SLOT_INDEX_INT || type.value_type == TRVT_COUNTER_INDEX_INT || type.value_type == TRVT_TIME_DATE_INT) {
 				/* This is a special company drop-down or group/slot-index drop-down */
 				SetTraceRestrictValue(item, index);
 				TraceRestrictDoCommandP(this->tile, this->track, TRDCT_MODIFY_ITEM, this->selected_instruction - 1, item, STR_TRACE_RESTRICT_ERROR_CAN_T_MODIFY_ITEM);