diff --git a/Userland/Services/InspectorServer/InspectableProcess.cpp b/Userland/Services/InspectorServer/InspectableProcess.cpp
index a064acd415..73b20048db 100644
--- a/Userland/Services/InspectorServer/InspectableProcess.cpp
+++ b/Userland/Services/InspectorServer/InspectableProcess.cpp
@@ -5,6 +5,7 @@
  */
 
 #include "InspectableProcess.h"
+#include <AK/JsonObject.h>
 
 namespace InspectorServer {