diff --git a/dataengine.cpp b/dataengine.cpp
index 65b9d1392..0232736ff 100644
--- a/dataengine.cpp
+++ b/dataengine.cpp
@@ -427,7 +427,7 @@ bool DataEngine::isValid() const
 
 bool DataEngine::isEmpty() const
 {
-    return d->sources.count() > 0;
+    return d->sources.count() < 1;
 }
 
 void DataEngine::setValid(bool valid)