diff --git a/tools/extract/twoBitToFa_wrapper.xml b/tools/extract/twoBitToFa_wrapper.xml
index 0ca82e6d05d..f781faa1fcd 100644
--- a/tools/extract/twoBitToFa_wrapper.xml
+++ b/tools/extract/twoBitToFa_wrapper.xml
@@ -1,6 +1,6 @@
 <tool id="Extract genomic DNA2" name="Extract genomic DNA">
   <description>using coordinates from UNassembled genomes</description>
-  <command interpreter="perl">twoBitToFa_wrapper.py $input $out_file1 $input_chromCol $input_startCol $input_endCol $input_strandCol $dbkey "/depot/data2/galaxy/twobit.loc"</command>
+  <command interpreter="python">twoBitToFa_wrapper.py $input $out_file1 $input_chromCol $input_startCol $input_endCol $input_strandCol $dbkey "/depot/data2/galaxy/twobit.loc"</command>
   <inputs>
     <param format="interval" name="input" type="data" label="Fetch sequences corresponding to Query"/>
   </inputs>