1 files changed, 1 insertions, 0 deletions
diff --git a/dive.h b/dive.h
index aef6ba366..580610fcf 100644
--- a/dive.h
+++ b/dive.h
@@ -658,6 +658,7 @@ extern void copy_events(struct dive *s, struct dive *d);
 extern void copy_cylinders(struct dive *s, struct dive *d);
 extern void copy_samples(struct dive *s, struct dive *d);
 
+extern void fill_default_cylinder(cylinder_t *cyl);
 extern void add_gas_switch_event(struct dive *dive, struct divecomputer *dc, int time, int idx);
 extern void add_event(struct divecomputer *dc, int time, int type, int flags, int value, const char *name);