diff --git a/lib/galaxy/tools/__init__.py b/lib/galaxy/tools/__init__.py
index 18b864a694d..d31b0a9843b 100755
--- a/lib/galaxy/tools/__init__.py
+++ b/lib/galaxy/tools/__init__.py
@@ -2611,7 +2611,7 @@ class Tool( object, Dictifiable ):
         hdca_source_dict = {}
         for hdca in history.dataset_collections:
             key = '%s_%s' % (hdca.hid, hdca.collection.id)
-            hdca_source_dict[ hda.collection.id ] = hdca_source_dict[ key ] = hdca
+            hdca_source_dict[ hdca.collection.id ] = hdca_source_dict[ key ] = hdca
 
         # Map dataset or collection to current history
         def map_to_history(value):
diff --git a/tools/genomespace/genomespace_exporter.xml b/tools/genomespace/genomespace_exporter.xml
index fb08888efa9..23db22beefb 100644
--- a/tools/genomespace/genomespace_exporter.xml
+++ b/tools/genomespace/genomespace_exporter.xml
@@ -50,4 +50,4 @@ If you are having trouble with this tool, click here_ to refresh your GenomeSpac
     </help>
     <options refresh="True"/>
     <code file="genomespace_exporter.py" />
-</tool>
\ No newline at end of file
+</tool>