Index: /applications/editors/josm/plugins/simplifyarea/src/sk/zdila/josm/plugin/simplify/SimplifyAreaPreferenceSetting.java
===================================================================
--- /applications/editors/josm/plugins/simplifyarea/src/sk/zdila/josm/plugin/simplify/SimplifyAreaPreferenceSetting.java	(revision 30687)
+++ /applications/editors/josm/plugins/simplifyarea/src/sk/zdila/josm/plugin/simplify/SimplifyAreaPreferenceSetting.java	(revision 30688)
@@ -12,4 +12,5 @@
 import org.openstreetmap.josm.gui.preferences.DefaultTabPreferenceSetting;
 import org.openstreetmap.josm.gui.preferences.PreferenceTabbedPane;
+import org.openstreetmap.josm.gui.widgets.JosmTextField;
 import org.openstreetmap.josm.tools.GBC;
 
@@ -24,11 +25,11 @@
     static final String MERGE_THRESHOLD = "simplify-area.merge.threshold";
 
-    private final JTextField mergeThreshold = new JTextField(8);
-    private final JTextField angleThreshold = new JTextField(8);
-    private final JTextField angleFactor = new JTextField(8);
-    private final JTextField areaThreshold = new JTextField(8);
-    private final JTextField areaFactor = new JTextField(8);
-    private final JTextField distanceThreshold = new JTextField(8);
-    private final JTextField distanceFactor = new JTextField(8);
+    private final JTextField mergeThreshold = new JosmTextField(8);
+    private final JTextField angleThreshold = new JosmTextField(8);
+    private final JTextField angleFactor = new JosmTextField(8);
+    private final JTextField areaThreshold = new JosmTextField(8);
+    private final JTextField areaFactor = new JosmTextField(8);
+    private final JTextField distanceThreshold = new JosmTextField(8);
+    private final JTextField distanceFactor = new JosmTextField(8);
 
     public SimplifyAreaPreferenceSetting() {