diff --git a/libs/BLEKit/include/BLEServiceFileExchange.h b/libs/BLEKit/include/BLEServiceFileExchange.h
index 6402728428..7f645e7778 100644
--- a/libs/BLEKit/include/BLEServiceFileExchange.h
+++ b/libs/BLEKit/include/BLEServiceFileExchange.h
@@ -129,8 +129,8 @@ class BLEServiceFileExchange : public interface::BLEService
 		GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY};
 	std::function<void()> _on_clear_file_requested_callback {};
 
-	std::array<uint8_t, 128> file_reception_buffer {};
-	WriteOnlyArrayGattCharacteristic<uint8_t, 128> file_reception_buffer_characteristic {
+	std::array<uint8_t, 256> file_reception_buffer {};
+	WriteOnlyArrayGattCharacteristic<uint8_t, 256> file_reception_buffer_characteristic {
 		service::file_exchange::characteristic::file_reception_buffer, file_reception_buffer.begin()};
 
 	std::array<uint8_t, 32> file_sha256 {};
diff --git a/libs/FileManagerKit/include/FileReception.h b/libs/FileManagerKit/include/FileReception.h
index cfdaaf2564..7cdc6f5241 100644
--- a/libs/FileManagerKit/include/FileReception.h
+++ b/libs/FileManagerKit/include/FileReception.h
@@ -32,7 +32,7 @@ class FileReception
 	CoreEventQueue event_queue {};
 
 	CircularQueue<uint8_t, 1024> _circular_queue {};
-	std::array<uint8_t, 128> _buffer {};
+	std::array<uint8_t, 256> _buffer {};
 };
 
 }	// namespace leka