diff --git a/bindings/csharp/openalprnet-cli/Program.cs b/bindings/csharp/openalprnet-cli/Program.cs
index 04e098b..8dbd69a 100644
--- a/bindings/csharp/openalprnet-cli/Program.cs
+++ b/bindings/csharp/openalprnet-cli/Program.cs
@@ -68,7 +68,8 @@ namespace openalprnet_cli
 
             Console.WriteLine("OpenAlpr Version: {0}", AlprNet.getVersion());
             var config = Path.Combine(AssemblyDirectory, "openalpr.conf");
-            var alpr = new AlprNet(region, config);
+            var runtime_data = Path.Combine(AssemblyDirectory, "runtime_data");
+            var alpr = new AlprNet(region, config, runtime_data);
             if (!alpr.isLoaded())
             {
                 Console.WriteLine("OpenAlpr failed to load!");
diff --git a/bindings/csharp/openalprnet-windemo/Form1.cs b/bindings/csharp/openalprnet-windemo/Form1.cs
index 504ebc6..902f87c 100644
--- a/bindings/csharp/openalprnet-windemo/Form1.cs
+++ b/bindings/csharp/openalprnet-windemo/Form1.cs
@@ -131,7 +131,9 @@ namespace openalprnet_windemo
         {
             resetControls();
             var region = rbUSA.Checked ? "us" : "eu";
-            using (var alpr = new AlprNet(region, Path.Combine(AssemblyDirectory, "openalpr.conf")))
+            String config_file =  Path.Combine(AssemblyDirectory, "openalpr.conf");
+            String runtime_data_dir = Path.Combine(AssemblyDirectory, "runtime_data");
+            using (var alpr = new AlprNet(region, config_file, runtime_data_dir))
             {
                 if (!alpr.isLoaded())
                 {