diff --git a/src/cascadia/TerminalCore/Terminal.cpp b/src/cascadia/TerminalCore/Terminal.cpp
index f5ae7288862b..fc98b9067404 100644
--- a/src/cascadia/TerminalCore/Terminal.cpp
+++ b/src/cascadia/TerminalCore/Terminal.cpp
@@ -534,6 +534,8 @@ void Terminal::_InitializeColorTable()
 // - isVisible: whether the cursor should be visible
 void Terminal::SetCursorVisible(const bool isVisible) noexcept
 {
+    auto lock = LockForReading();
+
     auto& cursor = _buffer->GetCursor();
     cursor.SetIsVisible(isVisible);
 }