diff --git a/lib_com/options.h b/lib_com/options.h
index e7c3f2ce5b7c999e7d44b701108bc4ea95d48818..2788649c87cfb3b1487d9af78ca59a4c8678d2c6 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -170,4 +170,5 @@
 #define FIX_1320_LOWRATE_ACELP
 #define FIX_1297_OVERFLOW                       /* VA: fixes issue with overflows in pre-processing */
 #define FIX_1298                                /* VA: fix possible assert in gaus_enc */
+#define FIX_1300_ICA_SHIFT_QUANT_IMPROV         /* VA: Fix to 1300 to improve precision of the lag quantizer */
 #endif
diff --git a/lib_enc/ivas_stereo_ica_enc.c b/lib_enc/ivas_stereo_ica_enc.c
index 9d06a5523c8ce03a109f8aa85c19c67008243b3d..5b79f416a075dad4578e6832e72b814e6d46c630 100644
--- a/lib_enc/ivas_stereo_ica_enc.c
+++ b/lib_enc/ivas_stereo_ica_enc.c
@@ -1965,6 +1965,8 @@ void stereo_tca_enc_fx(
 
         Word16 temp_exp, tempF_16fx;
         Word16 scalar_value = BASOP_Util_Divide1616_Scale( currentNCShift, dsFactor, &temp_exp ); /* Q15-temp_exp */
+
+#ifndef FIX_1300_ICA_SHIFT_QUANT_IMPROV
         IF( temp_exp < 0 )
         {
             scalar_value = shl( scalar_value, sub( temp_exp, Q3 ) );                                                                   // Q12
@@ -1976,6 +1978,11 @@ void stereo_tca_enc_fx(
             hStereoTCA->indx_ica_NCShift = usquant_fx( scalar_value, &tempF_16fx, 0, shl( 1, sub( 14, temp_exp ) ), ( 1 << STEREO_BITS_TCA_CORRSTATS ) ); /* Q0 */
             move16();
         }
+#else
+        scalar_value = shl_sat( scalar_value, sub( temp_exp, 5 ) );                                                                              /*Q10*/
+        hStereoTCA->indx_ica_NCShift = usquant_fx( scalar_value, &tempF_16fx, 0, 512 /* 0.5 in Q10 */, ( 1 << STEREO_BITS_TCA_CORRSTATS ) );     /* Q0 */
+#endif
+
         tempF_fx = tempF_16fx;
         move32();
     }