diff --git a/src/ksieveui/autocreatescripts/sieveconditions/sieveconditionheader.cpp b/src/ksieveui/autocreatescripts/sieveconditions/sieveconditionheader.cpp
index 18f450dc01fd3dd62262c236001dda8785d1f2cb..047a774cf38a7af02590ba0e7a75b9d42bc4bd27 100644
--- a/src/ksieveui/autocreatescripts/sieveconditions/sieveconditionheader.cpp
+++ b/src/ksieveui/autocreatescripts/sieveconditions/sieveconditionheader.cpp
@@ -101,8 +101,12 @@ bool SieveConditionHeader::setParamWidgetValue(const QDomElement &element, QWidg
             const QString tagName = e.tagName();
             if (tagName == QLatin1String("tag")) {
                 const QString tagValue = e.text();
-                SelectMatchTypeComboBox *selectMatchCombobox = w->findChild<SelectMatchTypeComboBox *>(QStringLiteral("matchtypecombobox"));
-                selectMatchCombobox->setCode(AutoCreateScriptUtil::tagValueWithCondition(tagValue, notCondition), name(), error);
+                if (tagValue == QLatin1String("comparator")) {
+                    qCWarning(LIBKSIEVE_LOG) << " comparator support not implemented yet!";
+                } else {
+                    SelectMatchTypeComboBox *selectMatchCombobox = w->findChild<SelectMatchTypeComboBox *>(QStringLiteral("matchtypecombobox"));
+                    selectMatchCombobox->setCode(AutoCreateScriptUtil::tagValueWithCondition(tagValue, notCondition), name(), error);
+                }
             } else if (tagName == QLatin1String("str")) {
                 if (index == 0) {
                     SelectHeaderTypeComboBox *headerType = w->findChild<SelectHeaderTypeComboBox *>(QStringLiteral("headertype"));