* #32208: refactoring in accounts
diff --git a/src/org/sflphone/account/AccountDetailSrtp.java b/src/org/sflphone/account/AccountDetailSrtp.java
index eb3d545..05d5451 100644
--- a/src/org/sflphone/account/AccountDetailSrtp.java
+++ b/src/org/sflphone/account/AccountDetailSrtp.java
@@ -111,7 +111,11 @@
         HashMap<String, String> map = new HashMap<String, String>();
 
         for(AccountDetail.PreferenceEntry p : privateArray) {
-            map.put(p.mKey, p.mValue);
+            if(p.mValue == null){
+                map.put(p.mKey, "");
+            } else {
+                map.put(p.mKey, p.mValue);
+            }
         }
 
         return map;