1 files changed, 1 insertions, 1 deletions
diff --git a/profile.c b/profile.c
index 41e6724bb..e6ba6ad8d 100644
--- a/profile.c
+++ b/profile.c
@@ -15,7 +15,7 @@
 #include "libdivecomputer/parser.h"
 #include "libdivecomputer/version.h"
 
-int selected_dive = -1;
+int selected_dive = -1; /* careful: 0 is a valid value */
 char zoomed_plot = 0;
 char dc_number = 0;