diff --git a/lib_com/options.h b/lib_com/options.h
index 0c0cd6e4f0a38a7e5ccad3ba6b0311fe632b8559..9bfbf6050c724ed7100e8d36601e0c81d9ef23dd 100755
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -158,6 +158,7 @@
 
 #define FIX_998_UNUSED_FUNCTION                         /* FhG: issue 998: delete unused funtion ivas_dirac_dec_get_response_split_order */ 
 #define FIX_1009_ISM_NONDIEGETIC_PANNING                /* FhG: issue #1009: use correct object buffer for ISM1 non-diegetic pan      */
+#define FIX_1020_AEID_SELECTION_ERRORS                  /* Philips: issue #1020: fix for acoustic environment ID selection errors */
 #define FIX_993_REMOVE_SBA_GET_ORDER                    /* VA: issue 993: remove unused function ivas_sba_get_order() */
 #define FIX_1002_DEC_PHASE_ECU_USAN_OF_PHASE            /* Eri: issue #1002, usan-value-out-of-range-for-int16, kept BE for PLC-conditions   */
 #define FIX_960_SYN_OUTPUT                              /* VA: issue 960: unused function syn_output() is removed */
diff --git a/lib_util/render_config_reader.c b/lib_util/render_config_reader.c
index a6229dc659d2c8d41eded4d8039fa9d63517a341..8c455278c94d0b4e693fb9f04ef617fa4dcc5752 100644
--- a/lib_util/render_config_reader.c
+++ b/lib_util/render_config_reader.c
@@ -2241,7 +2241,11 @@ ivas_error RenderConfigReader_read(
                     return IVAS_ERR_INVALID_RENDER_CONFIG;
                 }
                 idx = strtol( strtok( NULL, ":" ), NULL, 0 );
+#ifdef FIX_1020_AEID_SELECTION_ERRORS
+                pRenderConfigReader->pAE[acIdx].id = idx;
+#else
                 pRenderConfigReader->pAE->id = idx;
+#endif
 
                 aeHasFgIdx = aeHasPredelay = aeHasRt60 = aeHasDsr = FALSE;
                 aeHasERsize = aeHasERabs = FALSE;
diff --git a/scripts/config/self_test.prm b/scripts/config/self_test.prm
index 6a211e3c53b0b0d2bf0224c83d73a695ccec13bf..ecf2e33c9218b22a90c8c9c20fc9c83a38b1c8e4 100644
--- a/scripts/config/self_test.prm
+++ b/scripts/config/self_test.prm
@@ -878,12 +878,15 @@ eid-xor -fer -vbr -bs g192 -ep g192 bit ../scripts/dly_error_profiles/ep_5pct.g1
 ../IVAS_cod -sba -1 128000 48 testv/stvFOA48c.wav bit
 ../IVAS_dec -hrtf ../scripts/binauralRenderer_interface/binaural_renderers_hrtf_data/ivas_binaural_32kHz.bin -t testv/headrot_case00_3000_q.csv -render_config testv/rend_config_renderer.cfg BINAURAL_ROOM_REVERB 32 bit testv/stvFOA48c.pcm_planarSBA_12800032-32_BinauralRoomReverb_Config_renderer_Headrot_BinauralFile.tst
 
+// SBA 3OA at 128 kbps, 48kHz in 48kHz out, BINAURAL_ROOM_REVERB combined renderer configuration with selected acoustic environment
+//../IVAS_cod -sba 3 128000 48 testv/stv3OA48c.wav bit
+//../IVAS_dec -render_config testv/rend_config_combined.cfg -aeid 1 BINAURAL_ROOM_REVERB 48 bit testv/stv3OA48c.pcm_SBA_12800048-48_BinauralRoomReverb_Config_renderer_combined_AEID_1.tst
+
 // SBA at 256 kbps, 48kHz in, 48kHz out, PCA, BINAURAL out
 ../IVAS_cod -pca -sba 1 256000 48 testv/stvFOA48c.wav bit
 ../IVAS_dec BINAURAL 48 bit testv/stvFOA48c.wav_SBA_PCA_256000_48-48_BINAURAL.tst
 
 
-
 // MASA 1dir 1TC at 13.2 kbps, 48kHz in, 48kHz out, BINAURAL out, bandwidth switching
 ../IVAS_cod -max_band testv/ivas_bws_20fr_start_SWB.txt -masa 1 testv/stv1MASA1TC48c.met 13200 48 testv/stv1MASA1TC48c.wav bit
 ../IVAS_dec BINAURAL 48 bit testv/stv1MASA1TC48c.wav_13200_48-48_BINAURAL.tst
diff --git a/scripts/config/self_test_ltv.prm b/scripts/config/self_test_ltv.prm
index 5281b5eddad5adb745ac61ebc028ce416a9dc214..0d40b76c5891eeed613c7862d7e28f32e86e2e26 100644
--- a/scripts/config/self_test_ltv.prm
+++ b/scripts/config/self_test_ltv.prm
@@ -878,13 +878,15 @@ eid-xor -fer -vbr -bs g192 -ep g192 bit ../scripts/dly_error_profiles/ep_5pct.g1
 ../IVAS_cod -sba -1 128000 48 testv/ltv48_FOA.wav bit
 ../IVAS_dec -hrtf ../scripts/binauralRenderer_interface/binaural_renderers_hrtf_data/ivas_binaural_32kHz.bin -t testv/headrot_case00_3000_q.csv -render_config testv/rend_config_renderer.cfg BINAURAL_ROOM_REVERB 32 bit testv/ltv48_FOA.pcm_planarSBA_12800032-32_BinauralRoomReverb_Config_renderer_Headrot_BinauralFile.tst
 
+// SBA 3OA at 128 kbps, 48kHz in 48kHz out, BINAURAL_ROOM_REVERB combined renderer configuration with selected acoustic environment
+//../IVAS_cod -sba 3 128000 48 testv/ltv48_HOA3.wav bit
+//../IVAS_dec -render_config testv/rend_config_combined.cfg -aeid 1 BINAURAL_ROOM_REVERB 48 bit testv/ltv48_HOA3.pcm_SBA_12800048-48_BinauralRoomReverb_Config_renderer_combined_AEID_1.tst
+
 // SBA at 256 kbps, 48kHz in, 48kHz out, PCA, BINAURAL out
 ../IVAS_cod -pca -sba 1 256000 48 testv/ltv48_FOA.wav bit
 ../IVAS_dec BINAURAL 48 bit testv/ltv48_FOA.wav_SBA_PCA_256000_48-48_BINAURAL.tst
 
 
-
-
 // MASA 1dir 1TC at 13.2 kbps, 48kHz in, 48kHz out, BINAURAL out, bandwidth switching
 ../IVAS_cod -max_band testv/ivas_bws_20fr_start_SWB.txt -masa 1 testv/ltv48_MASA1TC.met 13200 48 testv/ltv48_MASA1TC.wav bit
 ../IVAS_dec BINAURAL 48 bit testv/ltv48_MASA1TC.wav_13200_48-48_BINAURAL.tst