diff --git a/peripheral/com.c b/peripheral/com.c
index 4af530c..911299b 100644
--- a/peripheral/com.c
+++ b/peripheral/com.c
@@ -433,7 +433,7 @@ int rd_ComIDWrite(TComCtrl *_ptComCtrl, uint32_t _iFrameID, char *_pBuffer, uint
 
     RD_MEMCPY(&sendBuf[sizeof(uint32_t)], _pBuffer, _iSize);
 
-    return rd_ComWrite(_ptComCtrl, sendBuf, _iSize);
+    return rd_ComWrite(_ptComCtrl, sendBuf, totalSize);
 }
 
 int rd_ComIDSend(TComCtrl *_ptComCtrl, uint32_t _iFrameID, char *_pBuffer, uint32_t _iSize)