1 files changed, 1 insertions, 1 deletions
diff --git a/dive.c b/dive.c
index b39634d5e..acab8ff52 100644
--- a/dive.c
+++ b/dive.c
@@ -448,7 +448,7 @@ void copy_cylinders(struct dive *s, struct dive *d, bool used_only)
 	if (!s || !d)
 		return;
 	for (i = 0; i < MAX_CYLINDERS; i++)
-		if (!used_only || cylinder_is_used(s, &s->cylinder[i]))
+		if (!used_only || is_cylinder_used(s, i))
 			d->cylinder[i] = s->cylinder[i];
 		else
 			memset(&d->cylinder[i], 0, sizeof(cylinder_t));