diff --git a/lib/galaxy/tools/harmonize_two_collections_list.xml b/lib/galaxy/tools/harmonize_two_collections_list.xml
index 546351802e77..3a12173f04e8 100644
--- a/lib/galaxy/tools/harmonize_two_collections_list.xml
+++ b/lib/galaxy/tools/harmonize_two_collections_list.xml
@@ -182,7 +182,7 @@
                 <collection type="list:paired">
                     <element name="element_1">
                         <collection type="paired">
-                            <element name="forward" value="1.fastq" ftype="fastq" />
+                            <element name="forward" value="1.fastqsanger" ftype="fastqsanger" />
                             <element name="reverse" value="1.fastqsanger" ftype="fastqsanger" />
                          </collection>
                     </element>
@@ -197,7 +197,7 @@
             </output_collection>
             <output_collection name="output2" type="list:paired" count="1">
                 <element name="element_1">
-                    <element name="forward" file="1.fastq" ftype="fastq" />
+                    <element name="forward" file="1.fastqsanger" ftype="fastqsanger" />
                     <element name="reverse" file="1.fastqsanger" ftype="fastqsanger" />
                 </element>
             </output_collection>