diff --git a/ChangeLog.txt b/ChangeLog.txt
index c7c450c15..c8188e64f 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -87,6 +87,7 @@
 - [#797] Custom seam allowance ignored in some cases.
 - [#798] Formula Wizard crashes with translated increments.
 - [#803] Bug in FancyTabBar widget. Wrongly calculated widget width.
+- [#805] Invalid regular expression for validation layout output filename mask.
 
 # Version 0.5.0 May 9, 2017
 - [#581] User can now filter input lists by keyword in function wizard.
diff --git a/src/app/valentina/dialogs/dialogsavelayout.cpp b/src/app/valentina/dialogs/dialogsavelayout.cpp
index 42153856d..07dc5e424 100644
--- a/src/app/valentina/dialogs/dialogsavelayout.cpp
+++ b/src/app/valentina/dialogs/dialogsavelayout.cpp
@@ -41,7 +41,11 @@
 #include <QRegularExpression>
 #include <QtDebug>
 
-const QString baseFilenameRegExp = QStringLiteral("^[\\p{L}\\p{Nd}\\-. _]+$");
+#ifndef Q_OS_WIN
+    const QString baseFilenameRegExp = QStringLiteral("^[^/]+$");
+#else
+    const QString baseFilenameRegExp = QStringLiteral("^[^\\:?\"*|/<>]+$");
+#endif
 
 bool DialogSaveLayout::havePdf = false;
 bool DialogSaveLayout::tested  = false;