diff --git a/UI/window-basic-main-transitions.cpp b/UI/window-basic-main-transitions.cpp
index 020ef49f75dbe5d260e2fc28930d4859dc7265fb..552dc0f1ad6ad5cd54e9e67b33023a6f5e9d3b33 100644
--- a/UI/window-basic-main-transitions.cpp
+++ b/UI/window-basic-main-transitions.cpp
@@ -1409,6 +1409,7 @@ void OBSBasic::SetPreviewProgramMode(bool enabled)
 			EnablePreviewDisplay(false);
 
 		ui->transitions->setEnabled(true);
+		tBarActive = false;
 
 		if (api)
 			api->on_event(OBS_FRONTEND_EVENT_STUDIO_MODE_DISABLED);