diff --git a/source/net/sourceforge/tuned/FileUtilities.java b/source/net/sourceforge/tuned/FileUtilities.java
index 572fe0ce..8f543426 100644
--- a/source/net/sourceforge/tuned/FileUtilities.java
+++ b/source/net/sourceforge/tuned/FileUtilities.java
@@ -458,7 +458,7 @@ public final class FileUtilities {
 	/**
 	 * Invalid file name characters: \, /, :, *, ?, ", <, >, |, \r and \n
 	 */
-	public static final Pattern ILLEGAL_CHARACTERS = Pattern.compile("[\\\\/:*?\"<>|\\r\\n]");
+	public static final Pattern ILLEGAL_CHARACTERS = Pattern.compile("[\\\\/:*?\"<>|\\r\\n]|[.]+$");
 	
 	
 	/**