diff --git a/generators/ooo/converter.cpp b/generators/ooo/converter.cpp
index df14179eb..607edf5a0 100644
--- a/generators/ooo/converter.cpp
+++ b/generators/ooo/converter.cpp
@@ -128,8 +128,16 @@ QTextDocument* Converter::convert( const QString &fileName )
    */
   const QString masterLayout = mStyleInformation->masterPageName();
   const PageFormatProperty property = mStyleInformation->pageProperty( masterLayout );
-  mTextDocument->setPageSize( QSize( qRound( property.width() / 72.0 * Okular::Utils::dpiX() ),
-                                     qRound( property.height() / 72.0 * Okular::Utils::dpiY() ) ) );
+
+  int pageWidth = qRound(property.width() / 72.0 * Okular::Utils::dpiX());
+  int pageHeight = qRound(property.height() / 72.0 * Okular::Utils::dpiY());
+
+  if ( pageWidth == 0 )
+      pageWidth = 600;
+  if ( pageHeight == 0 )
+      pageHeight = 800;
+
+  mTextDocument->setPageSize( QSize( pageWidth, pageHeight ) );
 
   QTextFrameFormat frameFormat;
   frameFormat.setMargin( qRound( property.margin() ) );
diff --git a/generators/ooo/document.cpp b/generators/ooo/document.cpp
index bf980a44e..4fe5538fc 100644
--- a/generators/ooo/document.cpp
+++ b/generators/ooo/document.cpp
@@ -52,7 +52,7 @@ bool Document::open()
 
   // we should really get the file names from the manifest, but for now, we only care
   // if the manifest says the files are encrypted.
-  
+
   if ( !entries.contains( "content.xml" ) ) {
     setError( i18n( "Invalid document structure (content.xml is missing)" ) );
     return false;
@@ -97,9 +97,9 @@ bool Document::open()
       file = static_cast<const KArchiveFile*>( imagesDirectory->entry( imagesEntries[ i ] ) );
       QString fullPath = QString( "Pictures/%1" ).arg( imagesEntries[ i ] );
       if ( mManifest->testIfEncrypted( fullPath ) ) {
-	mImages.insert( fullPath, mManifest->decryptFile( fullPath, file->data() ) );
+        mImages.insert( fullPath, mManifest->decryptFile( fullPath, file->data() ) );
       } else {
-	mImages.insert( fullPath, file->data() );
+        mImages.insert( fullPath, file->data() );
       }
     }
   }
diff --git a/generators/ooo/formatproperty.cpp b/generators/ooo/formatproperty.cpp
index 8746268dc..f5b730566 100644
--- a/generators/ooo/formatproperty.cpp
+++ b/generators/ooo/formatproperty.cpp
@@ -288,6 +288,7 @@ void StyleFormatProperty::setTableCellFormat( const TableCellFormatProperty &for
 }
 
 PageFormatProperty::PageFormatProperty()
+  : mHeight( 0.0 ), mWidth( 0.0 )
 {
 }