diff --git a/src/lang/std/engineConnection.ts b/src/lang/std/engineConnection.ts
index aa531b7ef..0d0b89785 100644
--- a/src/lang/std/engineConnection.ts
+++ b/src/lang/std/engineConnection.ts
@@ -551,6 +551,7 @@ class EngineConnection {
           // Everything is now connected.
           this.state = { type: EngineConnectionStateType.ConnectionEstablished }
 
+          this.engineCommandManager.inSequence = 1
           this.onEngineConnectionOpen(this)
         })