--- a/rgPicardGCBiasMetrics.xml	Tue Dec 17 16:12:31 2013 -0500
+++ b/rgPicardGCBiasMetrics.xml	Fri Feb 21 12:06:18 2014 -0500
@@ -1,8 +1,8 @@
 <tool name="SAM/BAM GC Bias Metrics" id="PicardGCBiasMetrics" version="1.56.0">
   <command interpreter="python">
-    picard_wrapper.py -i "$input_file" -d "$html_file.files_path" -t "$html_file"
-    --windowsize "$windowsize" --mingenomefrac "$mingenomefrac" -n "$out_prefix" --tmpdir "${__new_file_path__}"
-    -j \$JAVA_JAR_PATH/CollectGcBiasMetrics.jar
+    picard_wrapper.py -i "${input_file}" -d "${html_file.files_path}" -t "${html_file}"
+    --windowsize "${windowsize}" --mingenomefrac "${mingenomefrac}" -n "${out_prefix}" --tmpdir "${__new_file_path__}"
+    -j "\$JAVA_JAR_PATH/CollectGcBiasMetrics.jar"
 #if $genomeSource.refGenomeSource == "history":
  --ref-file "${genomeSource.ownFile}"
 #else:
@@ -24,7 +24,7 @@
       <when value="default">
         <param name="index" type="select" label="Check the assigned reference genome" help="Galaxy thinks that the reads in you dataset were aligned against this reference. If this is not correct, use the 'Select a build-in reference genome' option of the 'Select Reference Genome' dropdown to select approprtiate Reference.">
           <options from_data_table="all_fasta">
-          <filter type="data_meta" ref="input_file" key="dbkey" column="dbkey" multiple="True" separator=","/>
+          <filter type="data_meta" ref="input_file" key="dbkey" column="1" multiple="True" separator=","/>
           <validator type="no_options" message="No reference build available for the selected input data" />
           </options>
         </param>