diff --git a/applications/external b/applications/external
index eac9fab55..725321fa9 160000
--- a/applications/external
+++ b/applications/external
@@ -1 +1 @@
-Subproject commit eac9fab55eef9b960291e0cff669d7b7a6cf5eec
+Subproject commit 725321fa9f00c327061a572055b876c22c6e8ee5
diff --git a/lib/subghz/protocols/raw.c b/lib/subghz/protocols/raw.c
index 5d88145e3..a6aaa3585 100644
--- a/lib/subghz/protocols/raw.c
+++ b/lib/subghz/protocols/raw.c
@@ -292,10 +292,12 @@ void* subghz_protocol_encoder_raw_alloc(SubGhzEnvironment* environment) {
 void subghz_protocol_encoder_raw_stop(void* context) {
     furi_check(context);
     SubGhzProtocolEncoderRAW* instance = context;
+    furi_check(instance->file_worker_encoder);
     instance->is_running = false;
     if(subghz_file_encoder_worker_is_running(instance->file_worker_encoder)) {
         subghz_file_encoder_worker_stop(instance->file_worker_encoder);
         subghz_file_encoder_worker_free(instance->file_worker_encoder);
+        instance->file_worker_encoder = NULL;
     }
 }
 
@@ -320,6 +322,7 @@ void subghz_protocol_raw_file_encoder_worker_set_callback_end(
 
 static bool subghz_protocol_encoder_raw_worker_init(SubGhzProtocolEncoderRAW* instance) {
     furi_assert(instance);
+    furi_check(!instance->file_worker_encoder);
 
     instance->file_worker_encoder = subghz_file_encoder_worker_alloc();
     if(subghz_file_encoder_worker_start(