diff --git a/codec/encoder/core/inc/encode_mb_aux.h b/codec/encoder/core/inc/encode_mb_aux.h
index 1ac6739f..ab878e1c 100644
--- a/codec/encoder/core/inc/encode_mb_aux.h
+++ b/codec/encoder/core/inc/encode_mb_aux.h
@@ -107,7 +107,7 @@ void WelsHadamardT4Dc_sse2 (int16_t* pLumaDc, int16_t* pDct);
 int32_t WelsHadamardQuant2x2Skip_mmx (int16_t* pRes, int16_t iFF,  int16_t iMF);
 
 void WelsQuant4x4_sse2 (int16_t* pDct, const int16_t* pFF, const int16_t* pMF);
-void WelsQuant4x4Dc_sse2 (int16_t* pDct, const int16_t iFF, const int16_t iMF);
+void WelsQuant4x4Dc_sse2 (int16_t* pDct, int16_t iFF, int16_t iMF);
 void WelsQuantFour4x4_sse2 (int16_t* pDct, const int16_t* pFF, const int16_t* pMF);
 void WelsQuantFour4x4Max_sse2 (int16_t* pDct, const int16_t* pFF, const int16_t* pMF, int16_t* pMax);