diff --git a/lib/nfc/helpers/iso14443_4_layer.c b/lib/nfc/helpers/iso14443_4_layer.c
index 87d820d643..d53aef64f4 100644
--- a/lib/nfc/helpers/iso14443_4_layer.c
+++ b/lib/nfc/helpers/iso14443_4_layer.c
@@ -68,6 +68,7 @@ bool iso14443_4_layer_decode_block(
 
     do {
         if(!bit_buffer_starts_with_byte(block_data, instance->pcb_prev)) break;
+        // TODO: Fix crash
         bit_buffer_copy_right(output_data, block_data, 1);
         ret = true;
     } while(false);
diff --git a/lib/toolbox/bit_buffer.c b/lib/toolbox/bit_buffer.c
index 85a52e79d6..d8f62ef4ce 100644
--- a/lib/toolbox/bit_buffer.c
+++ b/lib/toolbox/bit_buffer.c
@@ -58,6 +58,7 @@ void bit_buffer_copy_right(BitBuffer* buf, const BitBuffer* other, size_t start_
     furi_check(buf);
     furi_check(other);
     furi_check(bit_buffer_get_size_bytes(other) > start_index);
+    // TODO: Fix crash
     furi_check(buf->capacity_bytes >= bit_buffer_get_size_bytes(other) - start_index);
 
     memcpy(buf->data, other->data + start_index, bit_buffer_get_size_bytes(other) - start_index);