diff --git a/misc-scripts/xref_mapping/XrefParser/RGDParser.pm b/misc-scripts/xref_mapping/XrefParser/RGDParser.pm
index 9432e54609800b05b0d84af60496afdb5021ebed..211e534e3d44f079177900275a94b64449f297fd 100644
--- a/misc-scripts/xref_mapping/XrefParser/RGDParser.pm
+++ b/misc-scripts/xref_mapping/XrefParser/RGDParser.pm
@@ -67,8 +67,8 @@ sub run {
   if($linearr[2] ne "NAME"){
     die ("NAME is not the third element in the header\n");
   }
-  if($linearr[16] ne "GENBANK_NUCLEOTIDE"){
-    die ("GENBANK_NUCLEOTIDE is not the seventeenth element in the header but ".$linearr[16]." is.\\n");
+  if($linearr[25] ne "GENBANK_NUCLEOTIDE"){
+    die ("GENBANK_NUCLEOTIDE is not the twentysixth element in the header but ".$linearr[25]." is.\\n");
   }
   
   my $count= 0;