diff --git a/definitions/bufr/rdb_key.def b/definitions/bufr/rdb_key.def
index 915fa96f5..e011d8258 100644
--- a/definitions/bufr/rdb_key.def
+++ b/definitions/bufr/rdb_key.def
@@ -11,12 +11,12 @@ meta localMinute bits(keyData,27,6) : dump,long_type,no_copy;
 meta localSecond bits(keyData,33,6) : dump,long_type,no_copy;
 meta spare  bits(keyData,39,1) : no_copy; # 40 bits = 5 bytes
 
-alias mars.localYear=localYear;
-alias mars.localMonth=localMonth;
-alias mars.localDay=localDay;
-alias mars.localHour=localHour;
-alias mars.localMinute=localMinute;
-alias mars.localSecond=localSecond;
+alias rdb.localYear=localYear;
+alias rdb.localMonth=localMonth;
+alias rdb.localDay=localDay;
+alias rdb.localHour=localHour;
+alias rdb.localMinute=localMinute;
+alias rdb.localSecond=localSecond;
 
 meta localDateTime julian_date(localYear,localMonth,localDay,localHour,localMinute,localSecond) : no_copy;
 
@@ -80,9 +80,8 @@ if (oldSubtype < 255 ) {
 alias ls.rdbType=rdbType;
 alias ls.rdbSubtype=rdbSubtype;
 
-alias mars.rdbType=rdbType;
-alias mars.rdbSubtype=rdbSubtype;
+alias rdb.rdbType=rdbType;
+alias rdb.rdbSubtype=rdbSubtype;
 
 #Data assimilation loop for purpose of Continous DA
 unsigned[1] daLoop;
-