diff --git a/tools/hisat2/hisat2.xml b/tools/hisat2/hisat2.xml
index c0c76e51c0e..712e05e1312 100644
--- a/tools/hisat2/hisat2.xml
+++ b/tools/hisat2/hisat2.xml
@@ -565,7 +565,8 @@ hisat2
 
     <!-- Define tests -->
 
-    <tests><!-- Ensure bam output works -->
+    <tests>
+        <!-- Ensure bam output works -->
         <test expect_num_outputs="1" >
             <param name="type" value="paired" />
             <param name="source" value="history" />