diff --git a/generators/djvu/generator_djvu.cpp b/generators/djvu/generator_djvu.cpp
index 4310316a6..b32b4f601 100644
--- a/generators/djvu/generator_djvu.cpp
+++ b/generators/djvu/generator_djvu.cpp
@@ -219,6 +219,7 @@ bool DjVuGenerator::print( QPrinter& printer )
 
 QVariant DjVuGenerator::metaData( const QString &key, const QVariant &option ) const
 {
+    Q_UNUSED( option )
     if ( key == "DocumentTitle" )
     {
         return m_djvu->metaData( "title" );