diff --git a/lib/galaxy/tools/sort_collection_list.xml b/lib/galaxy/tools/sort_collection_list.xml
index 1d7207e22dd..7c8d3467a52 100644
--- a/lib/galaxy/tools/sort_collection_list.xml
+++ b/lib/galaxy/tools/sort_collection_list.xml
@@ -14,6 +14,8 @@
                 <option value="numeric">numerically (strips all characters except numbers)</option>
                 <option value="file">Sort collection using order of identifiers in text file</option>
             </param>
+            <when value="alpha" />
+            <when value="numeric" />
             <when value="file">
                 <param name="sort_file" type="data" format="txt" label="Select file that contains the new order of collection elements" help="Lines in text file must match collection"></param>
             </when>