diff --git a/tests/JsonEncoder.test.cpp b/tests/JsonEncoder.test.cpp
index fa8d26b3..99bb3187 100644
--- a/tests/JsonEncoder.test.cpp
+++ b/tests/JsonEncoder.test.cpp
@@ -2,6 +2,7 @@
 #include "Luau/Ast.h"
 #include "Luau/JsonEncoder.h"
 #include "Luau/Parser.h"
+#include "ScopedFlags.h"
 
 #include "doctest.h"