diff --git a/lib_com/options.h b/lib_com/options.h
index 51594b2b4557728390c3b65d5cd56aa0e9153283..0a0e38e5fdd51fee2b0b6fe39fd803b527569e3b 100755
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -121,6 +121,7 @@
 #define NONBE_FIX_1052_SBA_EXT                          /* Dlb: SBA external output support */
 #define NONBE_FIX_MC_LFE_LPF                                  /* Dlb: Adding the LFE LPF filter back for MC content. */
 #define NONBE_FIX_1074_NOBJ_SIGNAL_OMASA_LBR            /* Nok: issue 1074 fixing number of objects signaling in OMASA low rate */
+#define FIX_1222_OMASA_DEC_CHANNEL_BUFFERS              /* VA: issue 1222: Reduction of the number of channel buffers in OMASA decoder */
 
 /* #################### End BASOP porting switches ############################ */
 
diff --git a/lib_dec/ivas_masa_dec_fx.c b/lib_dec/ivas_masa_dec_fx.c
index ba90382ae389485e34760619f5c1cbb0762c4c79..669a5da2fb302d71f2337b6eb6f22cfd313e7704 100644
--- a/lib_dec/ivas_masa_dec_fx.c
+++ b/lib_dec/ivas_masa_dec_fx.c
@@ -2028,7 +2028,11 @@ ivas_error ivas_masa_dec_reconfigure_fx(
         {
             IF( EQ_32( st_ivas->ivas_format, MASA_ISM_FORMAT ) )
             {
+#ifdef FIX_1222_OMASA_DEC_CHANNEL_BUFFERS
+                tc_nchan_to_allocate = add( BINAURAL_CHANNELS, st_ivas->nchan_ism );
+#else
                 tc_nchan_to_allocate = add( shl( BINAURAL_CHANNELS, 1 ), 2 );
+#endif
             }
             ELSE
             {
diff --git a/lib_rend/ivas_dirac_dec_binaural_functions_fx.c b/lib_rend/ivas_dirac_dec_binaural_functions_fx.c
index 80a114052569461b05a35f215314b34d81b12e60..6485313179665516235179c6d0678a2dbc34e5fa 100644
--- a/lib_rend/ivas_dirac_dec_binaural_functions_fx.c
+++ b/lib_rend/ivas_dirac_dec_binaural_functions_fx.c
@@ -406,8 +406,12 @@ ivas_error ivas_dirac_dec_init_binaural_data_fx(
         move16();
         if ( EQ_32( st_ivas->ivas_format, MASA_ISM_FORMAT ) )
         {
+#ifdef FIX_1222_OMASA_DEC_CHANNEL_BUFFERS
+            nchan_to_allocate = add( BINAURAL_CHANNELS, st_ivas->nchan_ism );
+#else
             nchan_to_allocate = 2 * BINAURAL_CHANNELS + 2;
             move16();
+#endif
         }
 
         n_samples_granularity = NS2SA_FX2( st_ivas->hDecoderConfig->output_Fs, CLDFB_SLOT_NS );
diff --git a/lib_rend/ivas_output_init_fx.c b/lib_rend/ivas_output_init_fx.c
index b30ce1fd1b24877df94a6311208ff67e29bff0b7..a57b9bca1b785b40d34704fcbc3dfaae17db0242 100644
--- a/lib_rend/ivas_output_init_fx.c
+++ b/lib_rend/ivas_output_init_fx.c
@@ -403,10 +403,20 @@ Word16 ivas_get_nchan_buffers_dec_fx(
     {
         nchan_out_buff = add( st_ivas->nchan_ism, CPE_CHANNELS );
 
+#ifdef FIX_1222_OMASA_DEC_CHANNEL_BUFFERS
+        test();
+        test();
+#endif
         IF( EQ_32( output_config, IVAS_AUDIO_CONFIG_LS_CUSTOM ) )
         {
             nchan_out_buff = s_max( nchan_out_buff, add( st_ivas->hOutSetup.nchan_out_woLFE, st_ivas->hOutSetup.num_lfe ) );
         }
+#ifdef FIX_1222_OMASA_DEC_CHANNEL_BUFFERS
+        ELSE IF( EQ_32( st_ivas->renderer_type, RENDERER_BINAURAL_PARAMETRIC ) || EQ_32( st_ivas->renderer_type, RENDERER_BINAURAL_PARAMETRIC_ROOM ) || EQ_32( st_ivas->renderer_type, RENDERER_STEREO_PARAMETRIC ) )
+        {
+            nchan_out_buff = s_max( nchan_out_buff, add( BINAURAL_CHANNELS, st_ivas->nchan_ism ) );
+        }
+#endif
         ELSE IF( NE_32( output_config, IVAS_AUDIO_CONFIG_EXTERNAL ) )
         {
             nchan_out_buff = s_max( nchan_out_buff, audioCfg2channels( st_ivas->intern_config ) );