diff --git a/qt-gui.cpp b/qt-gui.cpp
index cb06bf8d5..59fa1985e 100644
--- a/qt-gui.cpp
+++ b/qt-gui.cpp
@@ -95,6 +95,7 @@ void init_ui(int *argcp, char ***argvp)
 
 	// the Gtk theme makes things unbearably ugly
 	// so switch to Oxygen in this case
+	qDebug() << application->style()->objectName();
 	if (application->style()->objectName() == "gtk+")
 		application->setStyle("Oxygen");
 
diff --git a/qt-ui/maintab.cpp b/qt-ui/maintab.cpp
index c10d8737d..18e9b743a 100644
--- a/qt-ui/maintab.cpp
+++ b/qt-ui/maintab.cpp
@@ -42,7 +42,10 @@ MainTab::MainTab(QWidget *parent) : QTabWidget(parent),
 #ifdef __APPLE__
 	setDocumentMode(false);
 #else
-	setDocumentMode(true);
+	if (qApp->style()->objectName() == "gtk+")
+		setDocumentMode(false);
+	else
+		setDocumentMode(true);
 #endif
 	// we start out with the fields read-only; once things are
 	// filled from a dive, they are made writeable
diff --git a/qt-ui/mainwindow.ui b/qt-ui/mainwindow.ui
index 05a59524e..72f7444a0 100644
--- a/qt-ui/mainwindow.ui
+++ b/qt-ui/mainwindow.ui
@@ -26,10 +26,16 @@
        </property>
        <widget class="QStackedWidget" name="infoPane">
         <property name="currentIndex">
-         <number>0</number>
+         <number>1</number>
         </property>
         <widget class="QWidget" name="page">
          <layout class="QHBoxLayout" name="horizontalLayout_3">
+          <property name="spacing">
+           <number>0</number>
+          </property>
+          <property name="margin">
+           <number>0</number>
+          </property>
           <item>
            <widget class="MainTab" name="InfoWidget" native="true"/>
           </item>
@@ -37,6 +43,12 @@
         </widget>
         <widget class="QWidget" name="page_2">
          <layout class="QHBoxLayout" name="horizontalLayout_4">
+          <property name="spacing">
+           <number>0</number>
+          </property>
+          <property name="margin">
+           <number>0</number>
+          </property>
           <item>
            <widget class="DivePlannerWidget" name="widget" native="true"/>
           </item>
@@ -52,16 +64,7 @@
           <property name="spacing">
            <number>0</number>
           </property>
-          <property name="leftMargin">
-           <number>0</number>
-          </property>
-          <property name="topMargin">
-           <number>0</number>
-          </property>
-          <property name="rightMargin">
-           <number>0</number>
-          </property>
-          <property name="bottomMargin">
+          <property name="margin">
            <number>0</number>
           </property>
           <item>
@@ -74,16 +77,7 @@
           <property name="spacing">
            <number>0</number>
           </property>
-          <property name="leftMargin">
-           <number>0</number>
-          </property>
-          <property name="topMargin">
-           <number>0</number>
-          </property>
-          <property name="rightMargin">
-           <number>0</number>
-          </property>
-          <property name="bottomMargin">
+          <property name="margin">
            <number>0</number>
           </property>
           <item>
@@ -169,7 +163,7 @@
      <x>0</x>
      <y>0</y>
      <width>763</width>
-     <height>19</height>
+     <height>23</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">