diff --git a/misc-scripts/xref_mapping/XrefMapper/mus_musculus.pm b/misc-scripts/xref_mapping/XrefMapper/mus_musculus.pm
index 6aa8899ecb0ebad8586965e60cc335eb3c50f62d..df821a69e5787cc5d5e7adf50ee0bdb22e70729f 100644
--- a/misc-scripts/xref_mapping/XrefMapper/mus_musculus.pm
+++ b/misc-scripts/xref_mapping/XrefMapper/mus_musculus.pm
@@ -27,9 +27,9 @@ sub gene_description_sources {
 	  "Uniprot/Varsplic", 
 	  "Uniprot/SWISSPROT", 
 	  "MarkerSymbol",
-          "IMGT/GENE-DB",
+          "IMGT/GENE_DB",
 	  "RFAM", 
-	  "miRNA_Registry");
+	  "miRBase");
 
 }
 
diff --git a/misc-scripts/xref_mapping/XrefMapper/rattus_norvegicus.pm b/misc-scripts/xref_mapping/XrefMapper/rattus_norvegicus.pm
index a58c0a39672b3c016f6d5e9baae7380aa89c0d09..4d129aea163333f142ba22d7f8f95c471c01623d 100644
--- a/misc-scripts/xref_mapping/XrefMapper/rattus_norvegicus.pm
+++ b/misc-scripts/xref_mapping/XrefMapper/rattus_norvegicus.pm
@@ -16,7 +16,7 @@ sub get_set_lists {
 sub transcript_display_xref_sources {
 
   return ('RFAM',
-	  'miRNA_Registry',
+	  'miRBase',
 	  'HUGO',
 	  'RGD',
 	  'MarkerSymbol',