1 files changed, 1 insertions, 0 deletions
diff --git a/dive.h b/dive.h
index 9b44700e7..042878c1b 100644
--- a/dive.h
+++ b/dive.h
@@ -785,6 +785,7 @@ extern void cache_deco_state(double, char **datap);
 extern double restore_deco_state(char *data);
 extern void nuclear_regeneration(double time);
 extern void vpmb_start_gradient();
+extern void vpmb_next_gradient(double deco_time);
 extern bool is_vpmb_ok(double pressure);
 
 /* this should be converted to use our types */