diff --git a/OpenRA.Mods.RA/MadTank.cs b/OpenRA.Mods.RA/MadTank.cs
index 3e81d48305..8de684e6c8 100644
--- a/OpenRA.Mods.RA/MadTank.cs
+++ b/OpenRA.Mods.RA/MadTank.cs
@@ -123,6 +123,9 @@ namespace OpenRA.Mods.RA
 
 		void StartDetonationSequence()
 		{
+			if (deployed)
+				return;
+
 			self.World.AddFrameEndTask(w => EjectDriver());
 			if (info.ThumpSequence != null)
 				renderUnit.PlayCustomAnimRepeating(self, info.ThumpSequence);