diff --git a/lib_com/options.h b/lib_com/options.h
index 713943dbc36500c0e3b1b9748c3f0f2a4c3375a5..056c583a2d71f1a29f64cf09b68d3db1d83e9b86 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -138,6 +138,7 @@
 #define NONBE_1229_FIX_ISM1_DPID                        /* Eri: issue 1229: fix bug causing ISM 1 to use default -dpid instead of the specified one */
 #define FIX_1135_EXT_RENDERER_HANDLES                   /* VA: issue 1135: Memory usage reduction in external renderer: Allocate only handles that are really needed. */
 #define FIX_1209_SID_SIGNALING                          /* VA: issue 1209: remove dead code in IVAS SID signaling */
+#define NONBE_1250_MCMASA_LS_OUTPUT                     /* VA: issue 1250: fix crash in McMASA to custom LS output decoding */
 #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_1131_ACELP_OOB                            /* VA: issue 1131: fix division-by-zero in acelp gain decoding caused by wrong length of buffer update when switching from HQ core to ACELP core */
 #define NONBE_1240_FIX_CORE_SELECTION_ISM_SW            /* VA: issue 1240: Remove the forcing of the TCX core in ISM when switching from a high bitarte to a low one */
diff --git a/lib_dec/ivas_dirac_dec_fx.c b/lib_dec/ivas_dirac_dec_fx.c
index 5c6457df3fcebbc03bf5f2a155776abbe3ce6da1..39bcf9039560de41b80af36d864b88242bd803a5 100644
--- a/lib_dec/ivas_dirac_dec_fx.c
+++ b/lib_dec/ivas_dirac_dec_fx.c
@@ -4006,7 +4006,15 @@ void ivas_dirac_dec_render_sf_fx(
 
             /* Move the separated and the LFE channels to temporary variables as spatial synthesis may overwrite current channels */
             Copy32( &( output_buf_fx[st_ivas->hOutSetup.separateChannelIndex][subframe_start_sample] ), tmp_separated_fx, num_samples_subframe );
+#ifdef NONBE_1250_MCMASA_LS_OUTPUT
+            if ( hDirACRend->hOutSetup.num_lfe > 0 )
+            {
+                Copy32( &( output_buf_fx[LFE_CHANNEL][subframe_start_sample] ), tmp_lfe_fx, num_samples_subframe );
+            }
+#else
             Copy32( &( output_buf_fx[LFE_CHANNEL][subframe_start_sample] ), tmp_lfe_fx, num_samples_subframe );
+#endif
+
             FOR( ch = 0; ch < outchannels; ch++ )
             {