diff --git a/src/blackmisc/indexvariantmap.cpp b/src/blackmisc/indexvariantmap.cpp
index 52b30c7b3..95d1eede4 100644
--- a/src/blackmisc/indexvariantmap.cpp
+++ b/src/blackmisc/indexvariantmap.cpp
@@ -42,16 +42,16 @@ namespace BlackMisc
         QString s;
         foreach(int index, this->m_values.keys())
         {
-            QVariant qv = this->m_values.value(index);
+            CVariant v = this->m_values.value(index);
 
             s.isEmpty() ?
             s.append("{wildcard: ").append(this->m_wildcard ? "true" : "false").append(" ") :
             s.append(", ");
 
             s.append('{').append(QString::number(index)).append(": ");
-            s.append("(").append(QString::number(qv.userType())).append(") ");
-            QString qvs = BlackMisc::qVariantToString(qv, i18n);
-            s.append(qvs);
+            s.append("(").append(QString::number(v.userType())).append(") ");
+            QString vs = v.toString(i18n);
+            s.append(vs);
             s.append('}');
         }
         s = s.append("}");
@@ -90,18 +90,8 @@ namespace BlackMisc
      */
     void CIndexVariantMap::marshallToDbus(QDBusArgument &argument) const
     {
-        // remark, tried both sending as QDbusVariant and QVariant
-        // does not make a difference
-        QList<int> unifiedBlackTypeIds;
-        QList<QDBusVariant> dbusVariants;
-        foreach(QVariant qv, m_values.values())
-        {
-            unifiedBlackTypeIds << qv.userType() - BlackMisc::firstBlackMetaType();
-            dbusVariants << QDBusVariant(qv);
-        }
-        argument << this->m_values.keys(); // indexes
-        argument << dbusVariants;
-        argument << unifiedBlackTypeIds;
+        argument << this->m_values.keys();
+        argument << this->m_values.values();
     }
 
     /*
@@ -110,27 +100,14 @@ namespace BlackMisc
     void CIndexVariantMap::unmarshallFromDbus(const QDBusArgument &argument)
     {
         QList<int> indexes;
-        QList<QDBusVariant> values;
-        QList<int> unifiedBlackTypeIds;
+        QList<CVariant> values;
         argument >> indexes;
         argument >> values;
-        argument >> unifiedBlackTypeIds;
-        QMap<int, QVariant> newMap;
+        Q_ASSERT(indexes.size() == values.size());
+        QMap<int, CVariant> newMap;
         for (int i = 0; i < indexes.size(); i++)
         {
-            QVariant qv = values.at(i).variant();
-            int index = indexes.at(i);
-            if (qv.canConvert<QDBusArgument>())
-            {
-                int userType = unifiedBlackTypeIds.at(i) + BlackMisc::firstBlackMetaType();
-                QVariant concrete = BlackMisc::fixQVariantFromDbusArgument(qv, userType);
-                newMap.insert(index, concrete);
-            }
-            else
-            {
-                // value already OK
-                newMap.insert(index, qv);
-            }
+            newMap.insert(indexes[i], values[i]);
         }
         // replace values in one step
         this->m_values.swap(newMap);
diff --git a/src/blackmisc/indexvariantmap.h b/src/blackmisc/indexvariantmap.h
index 00c04b934..5251c64c1 100644
--- a/src/blackmisc/indexvariantmap.h
+++ b/src/blackmisc/indexvariantmap.h
@@ -8,6 +8,7 @@
 */
 
 #include "valueobject.h"
+#include "variant.h"
 #include <QVariantMap>
 #include <QDBusArgument>
 
@@ -45,13 +46,13 @@ namespace BlackMisc
 
 
         //! Add a value as non QVariant
-        template<class T> void addValue(int index, const T &value) { this->m_values.insert(index, QVariant::fromValue(value)); }
+        template<class T> void addValue(int index, const T &value) { this->m_values.insert(index, CVariant::fromValue(value)); }
 
         //! Is empty?
         bool isEmpty() const { return this->m_values.isEmpty(); }
 
         //! Value
-        QVariant value(int index) const { return this->m_values.value(index); }
+        QVariant value(int index) const { return this->m_values.value(index).toQVariant(); }
 
         //! Set value
         void value(int index, const QVariant &value) { this->m_values.value(index, value); }
@@ -63,7 +64,7 @@ namespace BlackMisc
         bool contains(int index) const { return this->m_values.contains(index); }
 
         //! values
-        QList<QVariant> values() const { return this->m_values.values(); }
+        QList<CVariant> values() const { return this->m_values.values(); }
 
         //! \brief Wildcard, only relevant when used in search
         bool isWildcard() const { return this->m_wildcard; }
@@ -81,7 +82,7 @@ namespace BlackMisc
         bool operator !=(const CIndexVariantMap &other) const;
 
         //! Map
-        const QMap<int, QVariant> &map() const { return this->m_values; }
+        const QMap<int, CVariant> &map() const { return this->m_values; }
 
         //! \copydoc CValueObject::getValueHash
         virtual uint getValueHash() const override;
@@ -90,7 +91,7 @@ namespace BlackMisc
         static void registerMetadata();
 
     protected:
-        QMap<int, QVariant> m_values; //!< values
+        QMap<int, CVariant> m_values; //!< values
         bool m_wildcard; //!< wildcard
 
         //! \copydoc CValueObject::convertToQString
diff --git a/src/blackmisc/valueobject.cpp b/src/blackmisc/valueobject.cpp
index 66eca7a3a..3f62a4551 100644
--- a/src/blackmisc/valueobject.cpp
+++ b/src/blackmisc/valueobject.cpp
@@ -115,7 +115,7 @@ namespace BlackMisc
         const auto &map = indexMap.map();
         for (auto it = map.begin(); it != map.end(); ++it)
         {
-            this->setPropertyByIndex(it.value(), it.key());
+            this->setPropertyByIndex(it.value().toQVariant(), it.key());
         }
         return c;
     }
@@ -131,7 +131,7 @@ namespace BlackMisc
         {
             // QVariant cannot be compared directly
             QVariant p = valueObject.propertyByIndex(it.key()); // from value object
-            QVariant v = it.value(); // from map
+            QVariant v = it.value().toQVariant(); // from map
             if (!BlackMisc::equalQVariants(p, v)) return false;
         }
         return true;