diff --git a/lib_com/options.h b/lib_com/options.h
index 8a98ccc1417ae1bd02f232e84a3893f7eb0b1995..a0864dee3720f12a0b7670f9b92a74b6a82b8bbd 100755
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -151,7 +151,7 @@
 #endif
 
 #define FIX_383_CLEAN_UP                                /* Dlb : Clean up of unused functions */
-#define FIX_532_ISM_MD_INACTIVE                         /* VA: issue 532: improve MD coding in ISM inactive frames */
+// #define FIX_532_ISM_MD_INACTIVE                         /* VA: issue 532: improve MD coding in ISM inactive frames */
 #define FIX_547_NAN_IGF_DEC                             /* FhG: issue 547: fix possible nan in IGF decoder */