diff --git a/Userland/Libraries/LibJS/Runtime/ShadowRealm.h b/Userland/Libraries/LibJS/Runtime/ShadowRealm.h
index 164d8a3b3c..a2c21b4914 100644
--- a/Userland/Libraries/LibJS/Runtime/ShadowRealm.h
+++ b/Userland/Libraries/LibJS/Runtime/ShadowRealm.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include <LibJS/Runtime/Completion.h>
+#include <LibJS/Runtime/ExecutionContext.h>
 #include <LibJS/Runtime/Object.h>
 #include <LibJS/Runtime/Realm.h>