diff --git a/storage/hp/p2000/xmlapi/mode/listvolumes.pm b/storage/hp/p2000/xmlapi/mode/listvolumes.pm
index 2937f0614..b41264e02 100644
--- a/storage/hp/p2000/xmlapi/mode/listvolumes.pm
+++ b/storage/hp/p2000/xmlapi/mode/listvolumes.pm
@@ -32,7 +32,7 @@ sub new {
     
     $options{options}->add_options(arguments => {
         'name:s'        => { name => 'name' },
-        'regexp"        => { name => 'use_regexp' },
+        'regexp'        => { name => 'use_regexp' },
         'filter-type:s' => { name => 'filter_type' },
     });