diff --git a/src/libsysprof-gtk/sysprof-gtk.h b/src/libsysprof-gtk/sysprof-gtk.h
index c886f0c3..a24cc258 100644
--- a/src/libsysprof-gtk/sysprof-gtk.h
+++ b/src/libsysprof-gtk/sysprof-gtk.h
@@ -24,6 +24,9 @@ G_BEGIN_DECLS
 
 #define SYSPROF_GTK_INSIDE
 # include "sysprof-callgraph-view.h"
+# include "sysprof-chart.h"
+# include "sysprof-chart-layer.h"
+# include "sysprof-depth-layer.h"
 # include "sysprof-mark-chart.h"
 # include "sysprof-mark-table.h"
 # include "sysprof-session.h"