diff --git a/lib_com/options.h b/lib_com/options.h
index 7f5e532e30c669d6e1c95ae22f02ac89740309d4..7c139fad83253627df0813ece340bd50f6cc4088 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -191,6 +191,7 @@
 
 #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_777_COMBI_RENDER_CONFIG_FILE                /* Philips: Fix for combined renderer config file support */
+#define FIX_1020_AEID_SELECTION_ERRORS                   /* Philips: issue #1020: fix for acoustic environment ID selection errors */
 #define NONBE_FIX_1004_USAN_DTX_MASA_NO_DIRS             /* Nokia: fix USAN error caused by non-setting of correctly the number of MASA directions in DTX */
 /* #define NONBE_FIX_991_PARAMBIN_BINARY_HRTF */             /* Nokia: issue #991: fix using of binary file HRTF in ParamBin (to actiate when USE_NEW_HRTF_BINARY_FILE_FORMAT and FIX_777_COMBI_RENDER_CONFIG_FILE are on  )*/
 #define FIX_1009_ISM_NONDIEGETIC_PANNING                /* FhG: issue #1009: use correct object buffer for ISM1 non-diegetic pan      */
diff --git a/lib_util/render_config_reader.c b/lib_util/render_config_reader.c
index c05b3735470c52fbcdd2b8dfce267be209b08433..e9c8b00916f5e5669cabbe3cd082dbf85a5da44f 100644
--- a/lib_util/render_config_reader.c
+++ b/lib_util/render_config_reader.c
@@ -2239,7 +2239,11 @@ 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;