1 files changed, 4 insertions, 1 deletions

diff --git a/common/typeindex.cpp b/common/typeindex.cpp
index 78195d3..b96c5b5 100644
--- a/common/typeindex.cpp
+++ b/common/typeindex.cpp
@@ -27,7 +27,10 @@ SINK_DEBUG_AREA("typeindex")
 static QByteArray getByteArray(const QVariant &value)
 {
     if (value.type() == QVariant::DateTime) {
-        return value.toDateTime().toString().toLatin1();
+        const auto result = value.toDateTime().toString().toLatin1();
+        if (result.isEmpty()) {
+            return "nodate";
+        }
     }
     if (value.isValid() && !value.toByteArray().isEmpty()) {
         return value.toByteArray();