diff --git a/src/settings/settingspage.cpp b/src/settings/settingspage.cpp
index 4507f6e7..e1bf5b3e 100644
--- a/src/settings/settingspage.cpp
+++ b/src/settings/settingspage.cpp
@@ -126,7 +126,7 @@ void SettingsPage::Apply() {
     changed_ = true;
     qLog(Info) << spinbox.first->objectName() << "is changed for" << windowTitle() << "settings.";
   }
-  for (QPair<QDoubleSpinBox*, int> &double_spinbox : double_spinboxes_) {
+  for (QPair<QDoubleSpinBox*, double> &double_spinbox : double_spinboxes_) {
     if (double_spinbox.first->value() == double_spinbox.second) continue;
     changed_ = true;
     qLog(Info) << double_spinbox.first->objectName() << "is changed for" << windowTitle() << "settings.";
diff --git a/src/settings/settingspage.h b/src/settings/settingspage.h
index 584bca6c..98b7d734 100644
--- a/src/settings/settingspage.h
+++ b/src/settings/settingspage.h
@@ -90,7 +90,7 @@ class SettingsPage : public QWidget {
   QList<QPair<QRadioButton*, bool>> radiobuttons_;
   QList<QPair<QComboBox*, QString>> comboboxes_;
   QList<QPair<QSpinBox*, int>> spinboxes_;
-  QList<QPair<QDoubleSpinBox*, int>> double_spinboxes_;
+  QList<QPair<QDoubleSpinBox*, double>> double_spinboxes_;
   QList<QPair<QSlider*, int>> sliders_;
   QList<QPair<QLineEdit*, QString>> lineedits_;
 };