diff --git a/archivefolderdialog.cpp b/archivefolderdialog.cpp
index 450f6da48..15f0c2791 100644
--- a/archivefolderdialog.cpp
+++ b/archivefolderdialog.cpp
@@ -102,6 +102,8 @@ ArchiveFolderDialog::ArchiveFolderDialog( QWidget *parent )
   fileNameLabel->setBuddy( mUrlRequester );
   connect( mUrlRequester, SIGNAL(urlSelected(KUrl)),
            this, SLOT(slotFixFileExtension()) );
+  connect( mUrlRequester, SIGNAL(textChanged(QString)),
+          this, SLOT(slotUrlChanged(QString)) );
   mainLayout->addWidget( mUrlRequester, row, 1 );
   row++;
 
@@ -213,4 +215,9 @@ void ArchiveFolderDialog::slotFixFileExtension()
   mUrlRequester->setUrl( fileName );
 }
 
+void ArchiveFolderDialog::slotUrlChanged(const QString &url)
+{
+    enableButtonOk(!url.isEmpty());
+}
+
 #include "archivefolderdialog.moc"
diff --git a/archivefolderdialog.h b/archivefolderdialog.h
index 71c55fc64..f9e3b0bb2 100644
--- a/archivefolderdialog.h
+++ b/archivefolderdialog.h
@@ -24,6 +24,7 @@
 class QCheckBox;
 class KUrlRequester;
 class KComboBox;
+class KUrl;
 
 namespace Akonadi
 {
@@ -53,6 +54,7 @@ class ArchiveFolderDialog : public KDialog
     void slotRecursiveCheckboxClicked();
     /** reimp */
     void slotButtonClicked( int button );
+    void slotUrlChanged(const QString&);
 
   private:
     bool allowToDeleteFolders( const Akonadi::Collection &folder) const;