1 files changed, 1 insertions, 0 deletions
diff --git a/display.h b/display.h
index e2e217ff0..d499fc7fc 100644
--- a/display.h
+++ b/display.h
@@ -8,6 +8,7 @@
 extern GtkWidget *dive_profile_widget(void);
 extern GtkWidget *dive_info_frame(void);
 extern GtkWidget *extended_dive_info_widget(void);
+extern GtkWidget *cylinder_management_widget(void);
 extern void update_dive_info(struct dive *dive);
 extern void repaint_dive(void);