diff --git a/sources/ui/inditextpropertieswidget.cpp b/sources/ui/inditextpropertieswidget.cpp
index bae484752..afb2e0157 100644
--- a/sources/ui/inditextpropertieswidget.cpp
+++ b/sources/ui/inditextpropertieswidget.cpp
@@ -28,12 +28,14 @@
 #include <QtGlobal>
 
 /**
-	@return width as shown in the width spin box: whole pixels, -1 for
-	the automatic width ("Auto").
+	@return width as shown in the width spin box: whole pixels, 0 for the
+	automatic width ("Auto"). The box starts at 0, so no number means Auto
+	and the first step up is 1 px; IndependentTextItem::setTextWidth()
+	treats 0 as -1, the automatic width, so the two never disagree.
 */
 static int spinBoxWidth(qreal width)
 {
-	return width > 0 ? qRound(width) : -1;
+	return width > 0 ? qRound(width) : 0;
 }
 
 /**
diff --git a/sources/ui/inditextpropertieswidget.ui b/sources/ui/inditextpropertieswidget.ui
index 6bdb94422..1572b1a34 100644
--- a/sources/ui/inditextpropertieswidget.ui
+++ b/sources/ui/inditextpropertieswidget.ui
@@ -148,13 +148,13 @@
       <string>px</string>
      </property>
      <property name="minimum">
-      <number>-1</number>
+      <number>0</number>
      </property>
      <property name="maximum">
       <number>10000</number>
      </property>
      <property name="value">
-      <number>-1</number>
+      <number>0</number>
      </property>
     </widget>
    </item>