diff --git a/engines/pegasus/neighborhood/tsa/fulltsa.cpp b/engines/pegasus/neighborhood/tsa/fulltsa.cpp
index 75f652ad567..c0fa3c4fe61 100644
--- a/engines/pegasus/neighborhood/tsa/fulltsa.cpp
+++ b/engines/pegasus/neighborhood/tsa/fulltsa.cpp
@@ -2643,6 +2643,7 @@ void FullTSA::receiveNotification(Notification *notification, const Notification
 				GameState.setMarsReadyForShuttleTransport(false);
 				GameState.setMarsFinishedCanyonChase(false);
 				GameState.setMarsThreadedMaze(false);
+				GameState.setMarsSawRobotLeave(false);
 				break;
 			case kPlayerOnWayToWSC:
 				_vm->jumpToNewEnvironment(kWSCID, kWSC01, kWest);
diff --git a/engines/pegasus/neighborhood/tsa/tinytsa.cpp b/engines/pegasus/neighborhood/tsa/tinytsa.cpp
index 0326c7f2ee4..c808325b0f0 100644
--- a/engines/pegasus/neighborhood/tsa/tinytsa.cpp
+++ b/engines/pegasus/neighborhood/tsa/tinytsa.cpp
@@ -327,6 +327,7 @@ void TinyTSA::receiveNotification(Notification *notification, const Notification
 				GameState.setMarsReadyForShuttleTransport(false);
 				GameState.setMarsFinishedCanyonChase(false);
 				GameState.setMarsThreadedMaze(false);
+				GameState.setMarsSawRobotLeave(false);
 				break;
 			case kPlayerOnWayToWSC:
 				_vm->jumpToNewEnvironment(kWSCID, kWSC01, kWest);