diff --git a/Userland/Applications/Browser/InspectorWidget.h b/Userland/Applications/Browser/InspectorWidget.h
index 095b2a4f0a..9405f7a855 100644
--- a/Userland/Applications/Browser/InspectorWidget.h
+++ b/Userland/Applications/Browser/InspectorWidget.h
@@ -15,6 +15,8 @@
 #include <LibWeb/Forward.h>
 #include <LibWeb/Layout/BoxModelMetrics.h>
 #include <LibWebView/Forward.h>
+#include <LibWebView/OutOfProcessWebView.h>
+
 namespace Browser {
 
 class InspectorWidget final : public GUI::Widget {