diff --git a/lib_com/options.h b/lib_com/options.h
index 27b6c86578e93b145e3067c5a89fb0879d6bd2fd..6cad54698e10e13a3d880d2ddf7c0a1be00eeff1 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -211,6 +211,7 @@
 
 #define NONBE_1894_OSBA_SCALING                         /* FhG: port OSBA scaling MRs (298,355,360) jointly */
 #define NONBE_1360_LFE_DELAY                           /* Dlb: LFE delay alignment when rendering in CLDFB domain*/
+#define NONBE_1229_FIX_ISM1_DPID                        /* Eri: issue 1229: fix bug causing ISM 1 to use default -dpid instead of the specified one */
 
 /* #################### End BASOP porting switches ############################ */
 
diff --git a/lib_util/render_config_reader.c b/lib_util/render_config_reader.c
index f9a8db6977921432afc7a513df17e82982ce2cb2..2262b1940abf36afd9779ae90468ef2693097bfc 100644
--- a/lib_util/render_config_reader.c
+++ b/lib_util/render_config_reader.c
@@ -3052,7 +3052,11 @@ ivas_error RenderConfigReader_getDirectivity(
             }
         }
         /* case when -dpid is not specified, select first directivity pattern from config file */
+#ifdef NONBE_1229_FIX_ISM1_DPID
+        if ( last_specified_id == 65535 )
+#else
         if ( n == 0 )
+#endif
         {
             last_specified_id = (uint16_t) pRenderConfigReader->pDP[0].id;
         }