diff --git a/OpenRA.Mods.Common/Traits/World/CrateSpawner.cs b/OpenRA.Mods.Common/Traits/World/CrateSpawner.cs
index 8a53f306b9..d230ecf98c 100644
--- a/OpenRA.Mods.Common/Traits/World/CrateSpawner.cs
+++ b/OpenRA.Mods.Common/Traits/World/CrateSpawner.cs
@@ -119,7 +119,7 @@ namespace OpenRA.Mods.Common.Traits
 				ticks = info.SpawnInterval;
 
 				var toSpawn = Math.Max(0, info.Minimum - crates)
-					+ (crates < info.Maximum ? 1 : 0);
+					+ (crates < info.Maximum && info.Maximum > info.Minimum ? 1 : 0);
 
 				for (var n = 0; n < toSpawn; n++)
 					SpawnCrate(self);