diff --git a/PARAM_DEF/mms1_oplus_vperp_tot.xml b/PARAM_DEF/mms1_oplus_vperp_tot.xml
index 578cf9e..3299ac0 100644
--- a/PARAM_DEF/mms1_oplus_vperp_tot.xml
+++ b/PARAM_DEF/mms1_oplus_vperp_tot.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <param xml:id="mms1_oplus_vperp_tot">
-    <get><vi name="mms1:hpca:moms"><baseParam name="mms1_hpca_oplus_tot"/></vi></get>
+    <get><vi name="mms1:hpca:moms"><baseParam name="mms1_hpca_oplus_vperp"/></vi></get>
     <process>$mms1_hpca_moms_mms1_hpca_oplus_vperp[3]</process>
     <output/>
 </param>
--
libgit2 0.21.2