diff --git a/lib_com/options.h b/lib_com/options.h
index 4318ec9128aba5fe4cff75f97c3bb41fd548cc0a..724ccb6f02de56eaae7edb43a05ff32edaf2078b 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -160,7 +160,7 @@
 
 #define FIX_416_ISM_BR_SWITCHING                        /* FhG: add missing CLDFB reconfig to ISM BR switching */
 #define FIX_SP2A                                        /* VA: Issue 412: Adjust threshold for the S_p2a feature in the tonal detector */
-
+#define FIX_413_SBA_DTX                                 /*Dlb: Fix for issue 413, SBA DTX CNG in 2TC mode*/
 
 
 /* ################## End DEVELOPMENT switches ######################### */
diff --git a/lib_dec/ivas_stereo_mdct_stereo_dec.c b/lib_dec/ivas_stereo_mdct_stereo_dec.c
index cccef8ec84b5553b7761be21f3f2ee9f3ccd9c41..0e788a0821103ce0b6b3e1c8a3891fb9579e3f29 100644
--- a/lib_dec/ivas_stereo_mdct_stereo_dec.c
+++ b/lib_dec/ivas_stereo_mdct_stereo_dec.c
@@ -468,11 +468,22 @@ ivas_error initMdctStereoDtxData(
 
             /* Init FD-CNG */
             initFdCngDec( st );
+#ifndef FIX_413_SBA_DTX
+            if ( ch == 1 && st->cng_sba_flag )
+            {
+                st->hFdCngDec->hFdCngCom->seed += 3;
+            }
+#endif
+        }
+#ifdef FIX_413_SBA_DTX
+        if ( st->first_CNG == 0 )
+        {
             if ( ch == 1 && st->cng_sba_flag )
             {
                 st->hFdCngDec->hFdCngCom->seed += 3;
             }
         }
+#endif
 
         if ( st->cldfbAna == NULL )
         {