diff options
| -rw-r--r-- | qt-gui.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/qt-gui.cpp b/qt-gui.cpp index 178ed52af..08eb9d538 100644 --- a/qt-gui.cpp +++ b/qt-gui.cpp @@ -269,7 +269,9 @@ QString get_cylinder_used_gas_string(cylinder_t *cyl, bool showunit) QString get_temperature_string(temperature_t temp, bool showunit) { - if (prefs.units.temperature == units::CELSIUS) { + if (temp.mkelvin == 0) { + return ""; //temperature not defined + } else if (prefs.units.temperature == units::CELSIUS) { double celsius = mkelvin_to_C(temp.mkelvin); return QString("%1%2%3").arg(celsius, 0, 'f', 1).arg(showunit ? (UTF8_DEGREE): "") .arg(showunit ? tr("C") : ""); |