diff --git a/lib/core/note_fileName.dart b/lib/core/note_fileName.dart
index 199a5fec..66601459 100644
--- a/lib/core/note_fileName.dart
+++ b/lib/core/note_fileName.dart
@@ -30,6 +30,9 @@ String getFileName(Note note) {
 }
 
 String buildTitleFileName(String parentDir, String title) {
+  // Sanitize the title - these characters are not allowed in Windows
+  title = title.replaceAll(RegExp(r'[/<\>":|?*]'), '_');
+
   var fileName = title + ".md";
   var fullPath = p.join(parentDir, fileName);
   var file = File(fullPath);