diff --git a/lib_com/options.h b/lib_com/options.h
index 57928ed19a69c0b744dfb665edfdfe5920951da2..af3057cf381c7f4b8b9cb4676db0f472aa4ee49c 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -164,6 +164,8 @@
 #define FIX_299_ISM_BWS                                 /* VA: issue 299 - fix Band-width switching issues in ISM format */
 #define FIX_309_PREMPH_MEM_SCE                          /* FhG: issue 309 - fix overwriting of mem_preemph_enc in ivas preprocessing for SCE and tcxonly modes*/
 
+#define FIX_317                                         /* FhG: issue 317 - address sanitizer error in MDCT-Stereo PLC */
+
 
 /* ################## End DEVELOPMENT switches ######################### */
 /* clang-format on */
diff --git a/lib_dec/ivas_stereo_mdct_stereo_dec.c b/lib_dec/ivas_stereo_mdct_stereo_dec.c
index ebaaa9169311bc71b8afbda20b4da3ef3c57365c..963acdc16bfc0cdd65adb3f871b01ffcfe9af041 100644
--- a/lib_dec/ivas_stereo_mdct_stereo_dec.c
+++ b/lib_dec/ivas_stereo_mdct_stereo_dec.c
@@ -327,11 +327,19 @@ void stereo_decoder_tcx(
                 hStereoMdct->reverse_dmx = 0;
             }
 
+#ifdef FIX_317
+            if ( ( nrgRatio > 1.0f ) && ( k < ( ( core_r == TCX_10_CORE ) ? NB_DIV : 1 ) ) )
+#else
             if ( ( nrgRatio > 1.0f ) && ( k < ( ( core_r == TCX_20_CORE ) ? 1 : NB_DIV ) ) )
+#endif
             {
                 v_multc( spec_r[k], nrgRatio, spec_r[k], L_frameTCX_r );
             }
+#ifdef FIX_317
+            else if ( ( nrgRatio < 1.0f ) && ( k < ( ( core_l == TCX_10_CORE ) ? NB_DIV : 1 ) ) )
+#else
             else if ( ( nrgRatio < 1.0f ) && ( k < ( ( core_l == TCX_20_CORE ) ? 1 : NB_DIV ) ) )
+#endif
             {
                 v_multc( spec_l[k], 1.0f / nrgRatio, spec_l[k], L_frameTCX_l );
             }