diff --git a/AdaptiveBrightnessFirmware/Inc/uart_vcp.hpp b/AdaptiveBrightnessFirmware/Inc/uart_vcp.hpp
index abeb23a..f492f50 100644
--- a/AdaptiveBrightnessFirmware/Inc/uart_vcp.hpp
+++ b/AdaptiveBrightnessFirmware/Inc/uart_vcp.hpp
@@ -111,10 +111,13 @@ class VirtualComPort {
 
     static int8_t CdcDeInit()
     {
-        USBD_Interface_fops_FS.Init = nullptr;
-        USBD_Interface_fops_FS.DeInit = nullptr;
-        USBD_Interface_fops_FS.Control = nullptr;
-        USBD_Interface_fops_FS.Receive = nullptr;
+        m_txBuffer.size = 0;
+        m_usbAsyncTxBuffer.size = 0;
+        m_rxBuffer.head = 0;
+        m_rxBuffer.tail = 0;
+        m_usbAsyncRxBuffer.size = 0;
+        m_receiving = false;
+        m_reading = false;
         return USBD_OK;
     }