diff --git a/src/blackmisc/propertyindexvariantmap.cpp b/src/blackmisc/propertyindexvariantmap.cpp
index f9c9875be..7bd5b17bc 100644
--- a/src/blackmisc/propertyindexvariantmap.cpp
+++ b/src/blackmisc/propertyindexvariantmap.cpp
@@ -22,6 +22,7 @@ namespace BlackMisc
      * Constructor single value
      */
     CPropertyIndexVariantMap::CPropertyIndexVariantMap(const CPropertyIndex &index, const QVariant &value)
+        : m_wildcard(false)
     {
         this->addValue(index, value);
     }