diff --git a/lib_com/options.h b/lib_com/options.h
index 0174d5aa9c246751ec501b7ef6b0e0d2ddc04181..356e84c929038c214e011917016a2c7b787998b8 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -161,10 +161,7 @@
 /* only BE switches wrt selection floating point code */
 
 /*#define FIX_I4_OL_PITCH*/                             /* fix open-loop pitch used for EVS core switching */
-
 #define TMP_FIX_1119_SPLIT_RENDERING_VOIP               /* FhG: Add error check for unsupported config: split rendering with VoIP mode */
-
-
 #define FIX_1209_SID_SIGNALING                          /* VA: issue 1209: remove dead code in IVAS SID signaling */
 
 
@@ -172,18 +169,14 @@
 
 /* #################### Start NON-BE switches ############################ */
 
-
 /* any switch which is non-be wrt selection floating point code */
 /* all switches in this category should start with "NONBE_" */
 
-
-
 #define NONBE_FIX_1176_OSBA_REVERB_JBM_ASAN_ERROR       /* Ericsson: Issue 1176, fix in TDREND_firfilt for subframes shorter than the filter length */
 #define NONBE_FIX_1212_TONAL_MDCT_CONCEALMENT           /* FhG: Fix issue 1212, zero IGF spec also in 1st concealed frame */
-
-
 #define NONBE_1200_ISM_JBM_BRATE_SW_FLUSH               /* VA: issue 1200: fix bug in renderer flush in ISM JBM bitrate switching */
 #define NONBE_FIX_1205_TD_STEREO_MOD_CT                 /* VA: fix mismatch of coder_type (mod_ct) btw. TD stereo encoder and decoder */
+#define NONBE_1203_MDCT2DFT_SWITCHING                   /* VA: issue 1203: fix severe artifacts during MDCT to DFT stereo switching when MDCT ITD is not used */
 
 
 /* ##################### End NON-BE switches ########################### */
diff --git a/lib_enc/ivas_stereo_dft_td_itd.c b/lib_enc/ivas_stereo_dft_td_itd.c
index 3e635f68e76991a69c5db94e80ea430a1a18758b..bab1b1d6fd6f520a4827ff1721419116a3272c94 100755
--- a/lib_enc/ivas_stereo_dft_td_itd.c
+++ b/lib_enc/ivas_stereo_dft_td_itd.c
@@ -399,6 +399,9 @@ void stereo_td_itd_mdct_stereo(
     float bin_nrgR[STEREO_DFT_N_32k_ENC];
     float DFT[CPE_CHANNELS][STEREO_DFT_N_MAX_ENC];
     STEREO_MDCT_ENC_DATA_HANDLE hStereoMdct;
+#ifdef NONBE_1203_MDCT2DFT_SWITCHING
+    int16_t dft_ovl;
+#endif
 
     if ( hCPE->hStereoMdct != NULL && hCPE->hStereoMdct->hItd != NULL )
     {
@@ -427,6 +430,17 @@ void stereo_td_itd_mdct_stereo(
         stereo_td_itd( hStereoMdct->hItd, NULL, 1, hStereoMdct->hDft_ana->dft_ovl, hCPE->hCoreCoder, input_frame, hCPE->input_mem );
 #endif
     }
+#ifdef NONBE_1203_MDCT2DFT_SWITCHING
+    else if ( hCPE->input_mem[0] != NULL )
+    {
+        dft_ovl = STEREO_DFT_OVL_MAX * input_frame / L_FRAME48k;
+
+        for ( i = 0; i < CPE_CHANNELS; i++ )
+        {
+            mvr2r( hCPE->hCoreCoder[i]->input + input_frame - dft_ovl, hCPE->input_mem[i], dft_ovl );
+        }
+    }
+#endif
 
     return;
 }
diff --git a/lib_enc/ivas_stereo_switching_enc.c b/lib_enc/ivas_stereo_switching_enc.c
index 8bbfd39321ce36ffef4af936423d146765980f04..d5cf09e509899845c29fe6a23c5221a221129e71 100644
--- a/lib_enc/ivas_stereo_switching_enc.c
+++ b/lib_enc/ivas_stereo_switching_enc.c
@@ -625,6 +625,9 @@ void stereo_switching_enc(
     dft_ovl = STEREO_DFT_OVL_MAX * input_frame / L_FRAME48k;
 
     /* update DFT analysis overlap memory */
+#ifdef NONBE_1203_MDCT2DFT_SWITCHING
+    /* note: in MDCT stereo, the update is done in stereo_td_itd_mdct_stereo() */
+#endif
     if ( hCPE->element_mode > IVAS_CPE_DFT && hCPE->input_mem[0] != NULL && hCPE->element_mode != IVAS_CPE_MDCT )
     {
         for ( n = 0; n < CPE_CHANNELS; n++ )