diff --git a/lib_com/options.h b/lib_com/options.h
index 9be81b3e436fe197665313b845c9fb6780608522..4af9a90d3e6087f81f61853884d24573afe32577 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -107,9 +107,9 @@
 #define FIX_2440_AGC_PRESCALING                         /* FhG: basop issue 2440: Fix loop bounds when scaling p_output_fx before ivas_spar_dec_agc_pca_fx() */
 #define FIX_2471_REMOVE_POSSIBLE_OVRF                   /* VA: basop issue 2471: correcting undesired overflow */
 #define FIX_2465_Q_BWE_EXC                              /* VA: basop issue 2465: fix calculation of Q_bwe_exc in SWB TBE encoder */
-
 #define FIX_2436_CLDFBANAHANDLE_ADRESS                  /*FhG: cldfb handle pointer were handed over in faulty manner*/
 #define FIX_BASOP_2436_REUSED_CLDFB_IN_OMASA_SR         /*FhG: basop issue 2436 (related to basop 2283): fix garbage output for >1 object OMASA with extrend as ISAR prerenderer */
+#define FIX_BASOP_2472_IGF_SP_AUD_DEC_CHAN              /* FhG: always use channel 1 for sp_aud_decision0[] being passed to ProcessIGF_ivas_fx() */
 
 /* ##################### End NON-BE switches ########################### */
 
diff --git a/lib_enc/ivas_mct_enc_mct_fx.c b/lib_enc/ivas_mct_enc_mct_fx.c
index 0463f710edcffc221d8c4892db456371378c3c99..5afb343981bc89b24ea060340d18914912b53135 100644
--- a/lib_enc/ivas_mct_enc_mct_fx.c
+++ b/lib_enc/ivas_mct_enc_mct_fx.c
@@ -1107,7 +1107,11 @@ void mctStereoIGF_enc_fx(
                     q_spectrum = sub( 31, st->hTcxEnc->spectrum_e[n] );
 
                     set16_fx( exp_powerSpec[p_ch[ch]], sub( Q31, q_powerSpec[p_ch[ch]] ), L_FRAME48k );
+#ifdef FIX_BASOP_2472_IGF_SP_AUD_DEC_CHAN
+                    ProcessIGF_ivas_fx( st, L_FRAME48k, st->hTcxEnc->spectrum_fx[n], &q_spectrum, orig_spectrum_fx[p_ch[ch]][n], q_origSpec, &powerSpec_fx[p_ch[ch]][n * L_subframeTCX], &exp_powerSpec[p_ch[ch]][n * L_subframeTCX], st->core == TCX_20_CORE, n, sp_aud_decision0[ch1], 0 );
+#else
                     ProcessIGF_ivas_fx( st, L_FRAME48k, st->hTcxEnc->spectrum_fx[n], &q_spectrum, orig_spectrum_fx[p_ch[ch]][n], q_origSpec, &powerSpec_fx[p_ch[ch]][n * L_subframeTCX], &exp_powerSpec[p_ch[ch]][n * L_subframeTCX], st->core == TCX_20_CORE, n, sp_aud_decision0[ch], 0 );
+#endif
 
                     st->hTcxEnc->spectrum_e[n] = sub( 31, q_spectrum );
                     move16();