diff --git a/sRNAPipe.xml b/sRNAPipe.xml
index fd91a29..d4b6e69 100644
--- a/sRNAPipe.xml
+++ b/sRNAPipe.xml
@@ -175,7 +175,7 @@ srnapipe
             <param argument="--pi_min" type="integer" value="23" label="lower bound of piRNA range"/>
             <param argument="--pi_max" type="integer" value="29" label="higher bound of piRNA range"/>
         </section>
-        <param name="PPPon" argument="--PPPon" type="boolean" truevalue="true" falsevalue="false" checked="true" label="PPPartners"/>
+        <param argument="--PPPon" type="boolean" truevalue="true" falsevalue="false" checked="true" label="PPPartners"/>
     </inputs>
     <outputs>
         <data format="html" name="html_out" label="${tool.name} on ${on_string}: HTML report"/>