diff --git a/chipset/bcm/btstack_chipset_bcm.c b/chipset/bcm/btstack_chipset_bcm.c
index 90038b670..887269574 100644
--- a/chipset/bcm/btstack_chipset_bcm.c
+++ b/chipset/bcm/btstack_chipset_bcm.c
@@ -291,7 +291,7 @@ static btstack_chipset_result_t chipset_next_command(uint8_t * hci_cmd_buffer){
 #endif
 
 
-static const btstack_chipset_t btstack_chipset_bcm = {
+static btstack_chipset_t btstack_chipset_bcm = {
     "BCM",
     chipset_init,
     chipset_next_command,
@@ -303,3 +303,15 @@ static const btstack_chipset_t btstack_chipset_bcm = {
 const btstack_chipset_t * btstack_chipset_bcm_instance(void){
     return &btstack_chipset_bcm;
 }
+
+/**
+ * @brief Enable init file - needed by btstack_chipset_bcm_download_firmware when using h5
+ * @param enabled
+ */
+void btstack_chipset_bcm_enable_init_script(int enabled){
+    if (enabled){
+        btstack_chipset_bcm.next_command = &chipset_next_command;
+    } else {
+        btstack_chipset_bcm.next_command = NULL;
+    }
+}
\ No newline at end of file
diff --git a/chipset/bcm/btstack_chipset_bcm.h b/chipset/bcm/btstack_chipset_bcm.h
index 2a658c17f..7929985f8 100644
--- a/chipset/bcm/btstack_chipset_bcm.h
+++ b/chipset/bcm/btstack_chipset_bcm.h
@@ -73,6 +73,12 @@ void btstack_chipset_bcm_set_hcd_folder_path(const char * path);
  */
 void btstack_chipset_bcm_set_device_name(const char * path);
 
+/**
+ * @brief Enable init file - needed by btstack_chipset_bcm_download_firmware when using h5
+ * @param enabled
+ */
+void btstack_chipset_bcm_enable_init_script(int enabled);
+
 #if defined __cplusplus
 }
 #endif
diff --git a/chipset/bcm/btstack_chipset_bcm_download_firmware.c b/chipset/bcm/btstack_chipset_bcm_download_firmware.c
index 6eb7761ac..a208dba88 100644
--- a/chipset/bcm/btstack_chipset_bcm_download_firmware.c
+++ b/chipset/bcm/btstack_chipset_bcm_download_firmware.c
@@ -116,7 +116,11 @@ static void bcm_send_next_init_script_command(void){
             break;
         case BTSTACK_CHIPSET_DONE:
             log_info("bcm: init script done");
+            // disable init script for main startup
+            btstack_chipset_bcm_enable_init_script(0);
+            // reset baudreate to default
             uart_driver->set_baudrate(115200);
+            // notify main
             download_complete(0);
             break;
         default:
diff --git a/port/posix-h5-bcm/main.c b/port/posix-h5-bcm/main.c
index 3a87ba7bf..d80998ed9 100644
--- a/port/posix-h5-bcm/main.c
+++ b/port/posix-h5-bcm/main.c
@@ -151,6 +151,18 @@ int main(int argc, const char * argv[]){
     uart_config.device_name = transport_config.device_name;
     uart_driver->init(&uart_config);
 
+    // setup HCI (to be able to use bcm chipset driver)
+    // init HCI
+    const hci_transport_t * transport = hci_transport_h5_instance(uart_driver);
+    const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance();
+    hci_init(transport, (void*) &transport_config);
+    hci_set_link_key_db(link_key_db);
+    hci_set_chipset(btstack_chipset_bcm_instance());
+
+    // inform about BTstack state
+    hci_event_callback_registration.callback = &packet_handler;
+    hci_add_event_handler(&hci_event_callback_registration);
+
     // handle CTRL-c
     signal(SIGINT, sigint_handler);
 
@@ -177,16 +189,6 @@ static void phase2(int status){
 
     printf("Phase 2: Main app\n");
 
-    // init HCI
-    const hci_transport_t * transport = hci_transport_h5_instance(uart_driver);
-    const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance();
-    hci_init(transport, (void*) &transport_config);
-    hci_set_link_key_db(link_key_db);
-    
-    // inform about BTstack state
-    hci_event_callback_registration.callback = &packet_handler;
-    hci_add_event_handler(&hci_event_callback_registration);
-
     // setup app
     btstack_main(main_argc, main_argv);
 }