diff --git a/src/main/java/dan200/computercraft/core/lua/CobaltLuaMachine.java b/src/main/java/dan200/computercraft/core/lua/CobaltLuaMachine.java
index 2de41b96c..55a986e16 100644
--- a/src/main/java/dan200/computercraft/core/lua/CobaltLuaMachine.java
+++ b/src/main/java/dan200/computercraft/core/lua/CobaltLuaMachine.java
@@ -242,7 +242,7 @@ public class CobaltLuaMachine implements ILuaMachine
                         }
                         catch( InterruptedException e )
                         {
-                            throw new OrphanedThread();
+                            throw new InterruptedError( e );
                         }
                         catch( LuaException e )
                         {