diff --git a/declarativeimports/core/datasource.cpp b/declarativeimports/core/datasource.cpp
index 9d5a914f6..598c41c37 100644
--- a/declarativeimports/core/datasource.cpp
+++ b/declarativeimports/core/datasource.cpp
@@ -193,6 +193,10 @@ Plasma::Service *DataSource::serviceForSource(const QString &source)
 
 void DataSource::connectSource(const QString &source)
 {
+    if (m_connectedSources.contains(source)) {
+        return;
+    }
+
     m_newSources.append(source);
     m_connectedSources.append(source);
     m_changes |= SourcesChanged;