diff --git a/qt/se/preferences_dialog.py b/qt/se/preferences_dialog.py
index 7ceeba4b..004925a1 100644
--- a/qt/se/preferences_dialog.py
+++ b/qt/se/preferences_dialog.py
@@ -55,7 +55,7 @@ class PreferencesDialog(PreferencesDialogBase):
         size_policy.setVerticalStretch(0)
         size_policy.setHeightForWidth(self.sizeThresholdSpinBox.sizePolicy().hasHeightForWidth())
         self.sizeThresholdSpinBox.setSizePolicy(size_policy)
-        self.sizeThresholdSpinBox.setMaximumSize(QSize(100, 16777215))
+        self.sizeThresholdSpinBox.setMaximumSize(QSize(300, 16777215))
         self.sizeThresholdSpinBox.setRange(0, 1000000)
         self.horizontalLayout_2.addWidget(self.sizeThresholdSpinBox)
         self.label_6 = QLabel(self.widget)
@@ -70,7 +70,7 @@ class PreferencesDialog(PreferencesDialogBase):
         self.sizeSaturationSpinBox = QSpinBox(self.widget)
         size_policy = QSizePolicy(QSizePolicy.Maximum, QSizePolicy.Fixed)
         self.sizeSaturationSpinBox.setSizePolicy(size_policy)
-        self.sizeSaturationSpinBox.setMaximumSize(QSize(100, 16777215))
+        self.sizeSaturationSpinBox.setMaximumSize(QSize(300, 16777215))
         self.sizeSaturationSpinBox.setRange(0, 1000000)
         self.horizontalLayout_2a.addWidget(self.sizeSaturationSpinBox)
         self.label_6a = QLabel(self.widget)
@@ -88,7 +88,7 @@ class PreferencesDialog(PreferencesDialogBase):
         self.horizontalLayout_2b.addWidget(self.bigFilePartialHashesBox)
         self.bigSizeThresholdSpinBox = QSpinBox(self.widget)
         self.bigSizeThresholdSpinBox.setSizePolicy(size_policy)
-        self.bigSizeThresholdSpinBox.setMaximumSize(QSize(100, 16777215))
+        self.bigSizeThresholdSpinBox.setMaximumSize(QSize(300, 16777215))
         self.bigSizeThresholdSpinBox.setRange(0, 1000000)
         self.horizontalLayout_2b.addWidget(self.bigSizeThresholdSpinBox)
         self.label_6b = QLabel(self.widget)