diff --git a/qad/utils/qad_types.cpp b/qad/utils/qad_types.cpp
index af0dbef..cc23f13 100644
--- a/qad/utils/qad_types.cpp
+++ b/qad/utils/qad_types.cpp
@@ -137,7 +137,10 @@ QString QAD::IODevice::toString() const {
 	}
 	PropertyStorage ps = props;
 	foreach (const PropertyStorage::Property & p, ps) {
-		s += ", " + p.name + "=\"" + p.value.toString() + "\"";
+		QString vs = p.value.toString();
+		if (p.value.type() == QVariant::StringList)
+			vs = p.value.toStringList().join(";");
+		s += ", " + p.name + "=\"" + vs + "\"";
 	}
 	s += ")";
 	return s;