diff --git a/src/main.zig b/src/main.zig
index c2f93aa..20ca23a 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -26,8 +26,9 @@ pub fn main() void {
     var status: hlo.hailo_status = undefined;
     var vdevice      : hlo.hailo_vdevice = undefined;
     var hef          : hlo.hailo_hef = undefined;
-    var device_params: hlo.hailo_vdevice_params_t = std.mem.zeroInit(hlo.hailo_vdevice_params_t, .{});
-    var network_group: hlo.hailo_configured_network_group = undefined;
+    var device_params: hlo.hailo_vdevice_params_t = undefined; // std.mem.zeroInit(hlo.hailo_vdevice_params_t, .{});
+    var network_group: hlo.hailo_configured_network_group = null;
+    const network_group_size     : usize = 1;
     const input_vstream_params   : [max_edge_layers]hlo.hailo_input_vstream_params_by_name_t = undefined;
     const output_vstream_params  : [max_edge_layers]hlo.hailo_output_vstream_params_by_name_t = undefined;
     const output_vstreams        : [max_edge_layers]hlo.hailo_output_vstream = undefined;
@@ -35,8 +36,8 @@ pub fn main() void {
     var input_vstream_size       : usize = max_edge_layers;
     var output_vstream_size      : usize = max_edge_layers;
 
-    @memset(&input_vstream_params, 0);
-    @memset(&output_vstream_params, 0);
+    // @memset(&input_vstream_params, 0);
+    // @memset(&output_vstream_params, 0);
 
 
     status = hlo.hailo_create_vdevice(null, &vdevice);
@@ -44,13 +45,19 @@ pub fn main() void {
 
     status = hlo.hailo_create_hef_file(&hef, hef_file);
     assert(status == hlo.HAILO_SUCCESS);
+
+    std.debug.print("vdevice inited, hef file created!\n", .{});
     
     status = hlo.hailo_init_configure_params(hef, hlo.HAILO_STREAM_INTERFACE_PCIE, @ptrCast(&device_params));
     assert(status == hlo.HAILO_SUCCESS);
 
-    status = hlo.hailo_configure_vdevice(vdevice, hef, @ptrCast(&device_params), &network_group, 1);
+    std.debug.print("Init configure params complete\n", .{});
+
+    status = hlo.hailo_configure_vdevice(vdevice, hef, @ptrCast(&device_params), &network_group, @constCast(&network_group_size));
     assert(status == hlo.HAILO_SUCCESS);
 
+    std.debug.print("Configure vdevice complete!\n", .{});
+
     status = hlo.hailo_make_input_vstream_params(network_group, true, hlo.HAILO_FORMAT_TYPE_AUTO,
         @constCast(&input_vstream_params), &input_vstream_size);
     assert(status == hlo.HAILO_SUCCESS);