diff --git a/src/gui/dialogs/VersionedSaveDialog.cpp b/src/gui/dialogs/VersionedSaveDialog.cpp
index ae7f5305e..476046371 100644
--- a/src/gui/dialogs/VersionedSaveDialog.cpp
+++ b/src/gui/dialogs/VersionedSaveDialog.cpp
@@ -72,7 +72,7 @@ VersionedSaveDialog::VersionedSaveDialog( QWidget *parent,
 
 bool VersionedSaveDialog::changeFileNameVersion(QString &fileName, bool increment )
 {
-	static QRegExp regexp( "-\\d+(\\.\\w+)?$" );
+	static QRegExp regexp( "[- ]\\d+(\\.\\w+)?$" );
 
 	int idx = regexp.indexIn( fileName );
 	// For file names without extension (no ".mmpz")