Don't match invalid properties.

1 files changed, 6 insertions, 0 deletions

diff --git a/common/query.cpp b/common/query.cpp
index 5f93c82..75d2a2e 100644
--- a/common/query.cpp
+++ b/common/query.cpp
@@ -50,8 +50,14 @@ bool Query::Comparator::matches(const QVariant &v) const
 {
     switch(comparator) {
         case Equals:
+            if (!v.isValid()) {
+                return false;
+            }
             return v == value;
         case Contains:
+            if (!v.isValid()) {
+                return false;
+            }
             return v.value<QByteArrayList>().contains(value.toByteArray());
         default:
             break;