diff --git a/AutoTag.cli/AutoTag.cs b/AutoTag.cli/AutoTag.cs
index b3b86ea..d407c14 100644
--- a/AutoTag.cli/AutoTag.cs
+++ b/AutoTag.cli/AutoTag.cs
@@ -108,7 +108,8 @@ namespace AutoTag.cli {
 		internal static bool IsAllowed(string filename) => AllowedFileTypes.Any(filename.EndsWith);
 
 		internal static string CleanFileName(string fileName) {
-			return Path.GetInvalidFileNameChars().Aggregate(fileName, (current, c) => current.Replace(c.ToString(), string.Empty));
+			return Path.GetInvalidFileNameChars().Aggregate(fileName, (current, c) => current.Replace(c.ToString(), string.Empty))
+					   .Replace(":", " -");
 			//var tempBytes = Encoding.GetEncoding("ISO-8859-8").GetBytes(str);
 			//return Encoding.UTF8.GetString(tempBytes);
 		}