diff --git a/DeployTools/Program.cs b/DeployTools/Program.cs
index 958791e..3951c87 100644
--- a/DeployTools/Program.cs
+++ b/DeployTools/Program.cs
@@ -407,7 +407,7 @@ namespace DeployTools
 		static void CreateFileList()
 		{
 			var include = new[] { @".*\.*?\.(jpg|gif|png|html|js|svg|eot|ttf|woff|otf|css|ico)$" };
-			var fileter = new[] { @"^(scripts|bin)\.*" };
+			var fileter = new[] { @"^(scripts|bin|app_data)\.*" };
 
 			var allfiles = Directory.GetFiles(_sourceDirectory, "*.*", SearchOption.AllDirectories).ToDictionary(GetProjectSubPath, StringComparer.OrdinalIgnoreCase);