diff --git a/widegraph.cpp b/widegraph.cpp
index 679c90f..c37e796 100644
--- a/widegraph.cpp
+++ b/widegraph.cpp
@@ -37,7 +37,6 @@ WideGraph::WideGraph(QSettings * settings, QWidget *parent) :
 
   setWindowTitle (QApplication::applicationName () + " - " + tr ("Wide Graph"));
   setWindowFlags (Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint);
-  setMaximumWidth (MAX_SCREENSIZE);
   setMaximumHeight (880);
 
   ui->splitter->setChildrenCollapsible(false);
@@ -56,6 +55,7 @@ WideGraph::WideGraph(QSettings * settings, QWidget *parent) :
   ui->filterMaxSpinBox->installEventFilter(filterEscapeEater);
 
   ui->widePlot->setCursor(Qt::CrossCursor);
+  ui->widePlot->setMaximumWidth(MAX_SCREENSIZE);
   ui->widePlot->setMaximumHeight(800);
   ui->widePlot->setCurrent(false);
 
diff --git a/widegraph.ui b/widegraph.ui
index a17b16e..fffa2dc 100644
--- a/widegraph.ui
+++ b/widegraph.ui
@@ -10,6 +10,12 @@
     <height>211</height>
    </rect>
   </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
   <property name="windowTitle">
    <string>Dialog</string>
   </property>
@@ -54,7 +60,7 @@
        <bool>true</bool>
       </property>
       <property name="sizePolicy">
-       <sizepolicy hsizetype="Preferred" vsizetype="MinimumExpanding">
+       <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
         <horstretch>4</horstretch>
         <verstretch>0</verstretch>
        </sizepolicy>
@@ -172,7 +178,7 @@
               <property name="geometry">
                <rect>
                 <x>0</x>
-                <y>-195</y>
+                <y>0</y>
                 <width>267</width>
                 <height>402</height>
                </rect>