diff --git a/OpenRa.Game/Effects/Bullet.cs b/OpenRa.Game/Effects/Bullet.cs
index 784795b346..fab47ac7ac 100644
--- a/OpenRa.Game/Effects/Bullet.cs
+++ b/OpenRa.Game/Effects/Bullet.cs
@@ -51,7 +51,8 @@ namespace OpenRa.Game.Effects
 		public void Tick()
 		{
 			if (t == 0)
-				Sound.Play(Weapon.Report + ".aud");
+				if (!string.IsNullOrEmpty(Weapon.Report))
+					Sound.Play(Weapon.Report + ".aud");
 
 			t += 40;