diff --git a/lib_com/options.h b/lib_com/options.h
index 8a5bb735f152e20735d6f10c357eab23502eb206..e301163f017e82159ffb6951111a08db403db37b 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -113,4 +113,5 @@
 #define FIX_ISSUE_1151                          /* Ittiam: Fix for Issue 1151: Assertion error observed in evs_enc_fx (with option stereo_dmx_evs) from sp_mus_classif_gmm_fx function*/
 #define FIX_ISSUE_1153                          /* Ittiam: Fix for Issue 1153: Assertion error observed in stereo_dmx_evs_enc_fx from calc_poc_fx function*/
 #define FIX_ISSUE_1154                          /* Ittiam: Fix for Issue 1154: Encoder crash for ParamMC 7.1 at 96kbps in ivas_param_mc_param_est_enc_fx() */
+#define FIX_ISSUE_1157                          /* Ittiam: Fix for Issue 1157: Encoder crash for Stereo at 48/64kbps DTX on/off in kernel_switch_trafo_fx() */
 #endif
diff --git a/lib_enc/ivas_mdct_core_enc.c b/lib_enc/ivas_mdct_core_enc.c
index 5b80bce975908f0c5de924fe66a94550b07d4e20..a2bf4e40f95552eb5557cda648e324b3f3bc5e4f 100644
--- a/lib_enc/ivas_mdct_core_enc.c
+++ b/lib_enc/ivas_mdct_core_enc.c
@@ -434,13 +434,13 @@ static void kernel_switch_update_transforms_fx(
 #ifdef MSAN_FIX
         Scale_sig( &tcxTimeSignal[n - s], add( sub( shl( s, 1 ), n ), 1 ), -Q1 ); // Q0 -> Q-1
 #else
-        Scale_sig( &tcxTimeSignal[n - s], shl( s, 1 ), -Q1 );          // Q0 -> Q-1
+        Scale_sig( &tcxTimeSignal[n - s], shl( s, 1 ), -Q1 ); // Q0 -> Q-1
 #endif
         wtda_ext_fx( tcxTimeSignal, windowedTimeSignal_16, extract_l( windowedTimeSignal[0] ), extract_l( windowedTimeSignal[1] ), s, kernelType ); // Q-1
 #ifdef MSAN_FIX
         Scale_sig( &tcxTimeSignal[n - s], add( sub( shl( s, 1 ), n ), 1 ), Q1 ); // Q-1 -> Q0
 #else
-        Scale_sig( &tcxTimeSignal[n - s], shl( s, 1 ), Q1 );           // Q-1 -> Q0
+        Scale_sig( &tcxTimeSignal[n - s], shl( s, 1 ), Q1 );  // Q-1 -> Q0
 #endif
         Copy_Scale_sig_16_32_no_sat( windowedTimeSignal_16, windowedTimeSignal, s, Q16 ); // Q15
         scale_sig32( windowedTimeSignal, s, -Q8 /* guard bits */ );                       // Q7
@@ -547,8 +547,11 @@ static void kernel_switch_update_transforms_fx(
             Copy_Scale_sig_32_16( windowedTimeSignal + 2, windowedTimeSignal_16 + 2, add( s, shr( add( leftOverlap, rightOverlap ), 1 ) ), -Q16 );                       // *q_windowedTimeSignal - Q16
             WindowSignal( hTcxCfg, shr( leftOverlap, 1 ), RECTANGULAR_OVERLAP, MIN_OVERLAP, &leftOverlap, &rightOverlap, windowedTimeSignal_16 + 2, &s, tcx5Win, 0, 1 ); // *q_windowedTimeSignal - Q16
             Copy_Scale_sig_16_32_no_sat( tcx5Win, tcx5Win_32, add( s, shr( add( leftOverlap, rightOverlap ), 1 ) ), Q16 );                                               // *q_windowedTimeSignal
-
+#ifdef FIX_ISSUE_1157
+            q_shift = -Q8;
+#else
             q_shift = -Q7;
+#endif
             move16();
             scale_sig32( tcx5Win_32, add( s /* L_subfr. */, shr( add( leftOverlap, rightOverlap ), 1 ) ), q_shift );                                                // *q_windowedTimeSignal + q_shift
             kernel_switch_trafo_fx( tcx5Win_32, sigR, leftOverlap, sub( s /* L_subfr. */, shr( add( leftOverlap, rightOverlap ), 1 ) ), rightOverlap, kernelType ); // *q_windowedTimeSignal + q_shift
@@ -577,7 +580,11 @@ static void kernel_switch_update_transforms_fx(
         ELSE /* tcxTransType != TCX_5 */
         {
             Word16 q_shift, q_com;
+#ifdef FIX_ISSUE_1157
+            q_shift = -Q8;
+#else
             q_shift = -Q7;
+#endif
             move16();
             scale_sig32( windowedTimeSignal + 2, add( s /* L_subfr. */, shr( add( leftOverlap, rightOverlap ), 1 ) ), q_shift );                                                // *q_windowedTimeSignal + q_shift
             kernel_switch_trafo_fx( windowedTimeSignal + 2, sigR, leftOverlap, sub( s /* L_subfr. */, shr( add( leftOverlap, rightOverlap ), 1 ) ), rightOverlap, kernelType ); // *q_windowedTimeSignal + q_shift