diff --git a/lib_com/options.h b/lib_com/options.h
index 475df11b7327d7919108a408d28efcc1d90b44bc..a3e716f4065556e603301f0b0bddaf707cd5c251 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -164,6 +164,8 @@
 #define FIX_839_FB_CONTENT_SOMETIME_MISSING     /* VA : Fix scaling error for FB TB BWE */
 #define FIX_846_TILT_BWE                        /* VA : Proposed fix to 846, to solve saturation */
 #define FIX_843_LOW_RATE_BWE                    /* VA : Proposed fix to 843 to solve mid band noise */
+#define FIX851_RANGE_DEC_PRECISION              /* VA : 851 Proposed fix to keep precision during UL_div*/
+
 /* ################## End DEVELOPMENT switches ######################### */
 
 /* clang-format on */
diff --git a/lib_dec/ivas_range_uni_dec.c b/lib_dec/ivas_range_uni_dec.c
index f2bbc1202fd08afb87200af3e5a6b39a8f1d8c19..94efd89e02f97d259ceaa431777a25d5f6ad3c33 100644
--- a/lib_dec/ivas_range_uni_dec.c
+++ b/lib_dec/ivas_range_uni_dec.c
@@ -628,17 +628,27 @@ UWord16 rc_uni_dec_read_bits(
     UWord32 range; /* local copy (4 to 7 uses) */
     Word16 norm_range;
     UWord32 temp1, temp2;
-
+#ifdef FIX851_RANGE_DEC_PRECISION
+    Word16 exp_temp1;
+#endif
     low = rc_st_dec->rc_low;
     range = rc_st_dec->rc_range;
     move32();
     move32();
 
     range = (UWord32) W_shr( range, bits );
+#ifdef FIX851_RANGE_DEC_PRECISION
+    exp_temp1 = sub( W_norm( low ), 31 + 1 );
+    temp1 = (UWord32) W_shl( low, exp_temp1 );
+    norm_range = sub( W_norm( range ), 31 );
+    temp2 = (UWord32) W_shl( range, norm_range );
+    val = (UWord32) W_shr( UL_div( temp1, temp2 ), sub( add( 32, exp_temp1 ), norm_range ) );
+#else
     temp1 = (UWord32) W_shr( low, 1 );
     norm_range = sub( W_norm( range ), 31 );
     temp2 = (UWord32) W_shl( range, norm_range );
     val = (UWord32) W_shr( UL_div( temp1, temp2 ), sub( 32 - 1, norm_range ) );
+#endif
 
     /* in case of bitstream errors it is possible that val >= (1 << bits) */
     IF( W_shr( val, bits ) != 0 ) /* equivalent condition */