1 files changed, 1 insertions, 0 deletions

diff --git a/tools/perf/ui/gtk/gtk.h b/tools/perf/ui/gtk/gtk.h
index 5d3693754828..3d96785ef155 100644
--- a/tools/perf/ui/gtk/gtk.h
+++ b/tools/perf/ui/gtk/gtk.h
@@ -10,6 +10,7 @@
 
 struct perf_gtk_context {
         GtkWidget *main_window;
+        GtkWidget *notebook;
 
 #ifdef HAVE_GTK_INFO_BAR
         GtkWidget *info_bar;