diff --git a/lib_com/gs_gains_fx.c b/lib_com/gs_gains_fx.c
index 87aa64ec8c2de2ebcd9a6f74a617b06d2381ab79..55ced4ea07c8547ec30c4de4d4776754c9158ade 100644
--- a/lib_com/gs_gains_fx.c
+++ b/lib_com/gs_gains_fx.c
@@ -1193,45 +1193,55 @@ Word16 gsc_gaindec_ivas_fx(                             /* o  : average frequenc
              *--------------------------------------------------------------------------------------*/
             idx_g_fx = (Word16) get_next_indice_fx( st_fx, 5 );
             VDQ_vec_fx( y_gainQ_fx, YGain_mean_LR_fx, YGain_dic1_LR_fx, idx_g_fx, 3 );
+#ifdef FIX_2312_CONDITION_MISSING_GSC_DEC_LR
+            IF( !( coder_type == INACTIVE && st_fx->tdm_LRTD_flag == 0 && EQ_16( st_fx->idchan, 1 ) ) || GT_32( st_fx->core_brate, GSC_LRES_GAINQ_LIMIT ) )
+            {
+#endif
+                idx_g_fx = (Word16) get_next_indice_fx( st_fx, 5 );
+                VDQ_vec_fx( y_gainQ_fx + 3, YGain_mean_LR_fx + 3, YGain_dic2_LR_fx, idx_g_fx, 4 );
 
-            idx_g_fx = (Word16) get_next_indice_fx( st_fx, 5 );
-            VDQ_vec_fx( y_gainQ_fx + 3, YGain_mean_LR_fx + 3, YGain_dic2_LR_fx, idx_g_fx, 4 );
-
-            /*----------------------------------------------------------------------*
-             * Interpolation of the last 4 Q bands to create bands 8-16
-             * And scaling
-             *----------------------------------------------------------------------*/
+                /*----------------------------------------------------------------------*
+                 * Interpolation of the last 4 Q bands to create bands 8-16
+                 * And scaling
+                 *----------------------------------------------------------------------*/
 
-            idx_g_fx = (Word16) get_next_indice_fx( st_fx, 5 );
+                idx_g_fx = (Word16) get_next_indice_fx( st_fx, 5 );
 
-            VDQ_vec_fx( y_gainQ_fx + 7, YGain_mean_LR_fx + 7, YGain_dic3_LR_fx, idx_g_fx, 5 );
+                VDQ_vec_fx( y_gainQ_fx + 7, YGain_mean_LR_fx + 7, YGain_dic3_LR_fx, idx_g_fx, 5 );
 
-            Copy( y_gainQ_fx + 8, y_gain_tmp3_fx, 4 );
-            set16_fx( y_gainQ_fx + 12, 0, 4 );
+                Copy( y_gainQ_fx + 8, y_gain_tmp3_fx, 4 );
+                set16_fx( y_gainQ_fx + 12, 0, 4 );
 
-            fft_rel_fx( y_gainQ_fx + 8, 4, 2 );
+                fft_rel_fx( y_gainQ_fx + 8, 4, 2 );
 
-            y_gainQ_fx[15] = y_gainQ_fx[11];
-            move16();
-            y_gainQ_fx[11] = 0;
-            move16();
-            ifft_rel_fx( y_gainQ_fx + 8, 8, 3 );
-            FOR( i = 8; i < 16; i++ )
-            {
-                y_gainQ_fx[i] = round_fx( L_shl( L_mult( y_gainQ_fx[i], 23101 ), 1 ) ); /*Q12 */
+                y_gainQ_fx[15] = y_gainQ_fx[11];
+                move16();
+                y_gainQ_fx[11] = 0;
+                move16();
+                ifft_rel_fx( y_gainQ_fx + 8, 8, 3 );
+                FOR( i = 8; i < 16; i++ )
+                {
+                    y_gainQ_fx[i] = round_fx( L_shl( L_mult( y_gainQ_fx[i], 23101 ), 1 ) ); /*Q12 */
+                    move16();
+                }
+                /*----------------------------------------------------------------------*
+                 * Copy the true Q values in the specific bands
+                 *----------------------------------------------------------------------*/
+                y_gainQ_fx[8] = y_gain_tmp3_fx[0]; /*Q12*/
+                move16();
+                y_gainQ_fx[10] = y_gain_tmp3_fx[1]; /*Q12*/
+                move16();
+                y_gainQ_fx[12] = y_gain_tmp3_fx[2]; /*Q12*/
                 move16();
+                y_gainQ_fx[14] = y_gain_tmp3_fx[3]; /*Q12*/
+                move16();
+#ifdef FIX_2312_CONDITION_MISSING_GSC_DEC_LR
             }
-            /*----------------------------------------------------------------------*
-             * Copy the true Q values in the specific bands
-             *----------------------------------------------------------------------*/
-            y_gainQ_fx[8] = y_gain_tmp3_fx[0]; /*Q12*/
-            move16();
-            y_gainQ_fx[10] = y_gain_tmp3_fx[1]; /*Q12*/
-            move16();
-            y_gainQ_fx[12] = y_gain_tmp3_fx[2]; /*Q12*/
-            move16();
-            y_gainQ_fx[14] = y_gain_tmp3_fx[3]; /*Q12*/
-            move16();
+            ELSE
+            {
+                set16_fx( y_gainQ_fx + 3, 0, MBANDS_GN16k - 3 );
+            }
+#endif
         }
         ELSE
         {
diff --git a/lib_com/options.h b/lib_com/options.h
index 7c094c8fc83796ab6ddb78ef062b3a77ba8a4617..52131a213f87ffab54e9980864f23802b0680ca8 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -138,6 +138,7 @@
 #define FIX_2257_INCR_GUARD_BITS                        /* FhG: take correct rendering frame-size into account for guard-bits calculation */
 #define FIX_2297_SBA_SCALING_32KHZ                      /* VA: basop issue 2297: Fix scaling factor before the SBA decoder for output_Fs = 32 or 16 */
 #define FIX_2315_AGC_MEMORY_RESET                       /* VA: basop issue 2315: fix reset of the AGC memory */
+#define FIX_2312_CONDITION_MISSING_GSC_DEC_LR           /* VA: basop issue 2297: addition of condition missing in the GSC gain decoder at low-rate */
 
 /* ##################### End NON-BE switches ########################### */