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-rw-r--r--desktop-widgets/tab-widgets/TabDiveInformation.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/desktop-widgets/tab-widgets/TabDiveInformation.cpp b/desktop-widgets/tab-widgets/TabDiveInformation.cpp
index f7d16fe26..f787c922e 100644
--- a/desktop-widgets/tab-widgets/TabDiveInformation.cpp
+++ b/desktop-widgets/tab-widgets/TabDiveInformation.cpp
@@ -128,7 +128,8 @@ void TabDiveInformation::updateProfile()
volume_t *gases = get_gas_used(current_dive);
QString volumes;
std::vector<int> mean(current_dive->cylinders.nr), duration(current_dive->cylinders.nr);
- per_cylinder_mean_depth(current_dive, select_dc(current_dive), &mean[0], &duration[0]);
+ if (current_dive->cylinders.nr >= 0)
+ per_cylinder_mean_depth(current_dive, select_dc(current_dive), mean.data(), duration.data());
volume_t sac;
QString gaslist, SACs, separator;