diff --git a/lib_com/options.h b/lib_com/options.h
index a1981a5e79fa66c55ac728690bb964d92b805b1a..7280227b3312699d5d4de0fc7b54e97d2309daa3 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -149,6 +149,7 @@
 
 
 #define FIX_WRONG_NBANDS_IN_ITD_ESTIMATION              /* Issue 85: fix incorrect setting of nbands in calc_mean_E_ratio() if bwidth is limited on commandline*/
+#define FIX_ADAP_STEFI_SHIFT                            /* Issue 89: fix bug in parameter shift of adaptive stereo filling */
 
 
 #define FIX_I87                                         /*  fix for issue 86: incorrect Ambisonics order set for head rotation in SBA */
diff --git a/lib_enc/ivas_stereo_dft_enc.c b/lib_enc/ivas_stereo_dft_enc.c
old mode 100644
new mode 100755
index b6a7e0685db044f1f2b5b92d87aeba2c62164807..343d83ec126f136a1ae470b1721f53d43d724fd6
--- a/lib_enc/ivas_stereo_dft_enc.c
+++ b/lib_enc/ivas_stereo_dft_enc.c
@@ -2943,7 +2943,15 @@ static void stereo_dft_enc_compute_prm(
 
         /* parameters for bred0 <= b < bpred1 are estimated from parameters of
         the remaining bands with ptrans0 <= b < btrans1. */
+#ifdef FIX_ADAP_STEFI_SHIFT
+        bpred1 = (hStereoDft->nbands > 10) ? STEREO_DFT_RES_PRED_BAND_MAX - 2 : hStereoDft->nbands;
+        if ( hStereoDft->band_res[k_offset] == STEREO_DFT_BAND_RES_LOW )
+        {
+            bpred1 = min( bpred1, 6 );
+        }
+#else
         bpred1 = ( hStereoDft->nbands > 10 ) ? hStereoDft->nbands - 2 : hStereoDft->nbands;
+#endif
         bpred0 = bpred1 - STEREO_DFT_RES_PRED_BAND_MIN_CONST;
 
         /* get estimate (currently the maximal index) */
@@ -2963,7 +2971,11 @@ static void stereo_dft_enc_compute_prm(
 
         if ( hStereoDft->reverb_flag && hStereoDft->nbands > 10 ) /*SWB and FB*/
         {
+#ifdef FIX_ADAP_STEFI_SHIFT
+            for ( b = STEREO_DFT_RES_PRED_BAND_MAX - 1; b >= STEREO_DFT_RES_PRED_BAND_MAX - 2; b-- )
+#else
             for ( b = hStereoDft->nbands - 1; b >= hStereoDft->nbands - 2; b-- )
+#endif
             {
                 hStereoDft->res_pred_index_EC[b - STEREO_DFT_RES_PRED_BAND_MIN_CONST] = hStereoDft->res_pred_index_EC[b];
             }