diff --git a/src/libtomahawk/infosystem/infosystem.cpp b/src/libtomahawk/infosystem/infosystem.cpp
index 9db1bfe80..2dca67a95 100644
--- a/src/libtomahawk/infosystem/infosystem.cpp
+++ b/src/libtomahawk/infosystem/infosystem.cpp
@@ -227,6 +227,7 @@ InfoSystem::addInfoPlugin( Tomahawk::InfoSystem::InfoPluginPtr plugin )
     
     if ( plugin.data()->thread() != m_infoSystemWorkerThreadController->worker()->thread() )
     {
+        Q_ASSERT( false );
         tDebug() << Q_FUNC_INFO << "The object must be moved to the worker thread first, see InfoSystem::workerThread()";
         return;
     }