diff --git a/src/server/game/mod/order/OrderFunc.go b/src/server/game/mod/order/OrderFunc.go
index 3dd25d39..816ac5f2 100644
--- a/src/server/game/mod/order/OrderFunc.go
+++ b/src/server/game/mod/order/OrderFunc.go
@@ -151,6 +151,9 @@ func getRandChessColorList(o *OrderMod, Emit []int, EnergyMul int) map[string]in
 			continue
 		}
 		if len(Produce) == 1 {
+			if Produce[0] == "" {
+				continue
+			}
 			r[Produce[0]] = 100
 			continue
 		}