diff --git a/src/qt/qt_newfloppydialog.ui b/src/qt/qt_newfloppydialog.ui
index 42d5e0a4f..7daf1fb3c 100644
--- a/src/qt/qt_newfloppydialog.ui
+++ b/src/qt/qt_newfloppydialog.ui
@@ -34,7 +34,14 @@
     </widget>
    </item>
    <item row="0" column="1">
-    <widget class="FileField" name="fileField" native="true"/>
+    <widget class="FileField" name="fileField" native="true">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+       <horstretch>1</horstretch>
+       <verstretch>1</verstretch>
+      </sizepolicy>
+     </property>
+    </widget>
    </item>
    <item row="1" column="0">
     <widget class="QLabel" name="label">
@@ -44,7 +51,14 @@
     </widget>
    </item>
    <item row="1" column="1">
-    <widget class="QComboBox" name="comboBoxSize"/>
+    <widget class="QComboBox" name="comboBoxSize">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+    </widget>
    </item>
    <item row="2" column="0">
     <widget class="QLabel" name="labelRpm">
@@ -54,7 +68,14 @@
     </widget>
    </item>
    <item row="2" column="1">
-    <widget class="QComboBox" name="comboBoxRpm"/>
+    <widget class="QComboBox" name="comboBoxRpm">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+    </widget>
    </item>
    <item row="3" column="0">
     <spacer name="verticalSpacer">