diff --git a/exec/upgrade_to_v320.js b/exec/upgrade_to_v320.js
index 265e85e658109db6f51b5f9052bc16a59726ce22..81524026c8e5f1575326ef72f2ab86c257108afd 100755
--- a/exec/upgrade_to_v320.js
+++ b/exec/upgrade_to_v320.js
@@ -265,6 +265,7 @@ for(var i in cnf.txtsec) {
 }
 delete cnf.txtsec;
 
+cnf.min_dspace = format("%uK", cnf.min_dspace);
 cnf.settings = format("0x%lx", cnf.settings);
 ini.iniSetObject(null, cnf);
 ini.close();