diff --git a/src/libtomahawk/infosystem/InfoSystemCache.h b/src/libtomahawk/infosystem/InfoSystemCache.h
index 740188f26..3077c3099 100644
--- a/src/libtomahawk/infosystem/InfoSystemCache.h
+++ b/src/libtomahawk/infosystem/InfoSystemCache.h
@@ -34,7 +34,7 @@ namespace Tomahawk
 namespace InfoSystem
 {
 
-class InfoSystemCache : public QObject
+class DLLEXPORT InfoSystemCache : public QObject
 {
 Q_OBJECT
 
@@ -71,4 +71,6 @@ private:
 
 } //namespace Tomahawk
 
+Q_DECLARE_METATYPE( Tomahawk::InfoSystem::InfoSystemCache* );
+
 #endif //TOMAHAWK_INFOSYSTEMCACHE_H
diff --git a/src/tomahawk/TomahawkApp.cpp b/src/tomahawk/TomahawkApp.cpp
index 8f73a8112..35b5d4d0f 100644
--- a/src/tomahawk/TomahawkApp.cpp
+++ b/src/tomahawk/TomahawkApp.cpp
@@ -404,6 +404,7 @@ TomahawkApp::registerMetaTypes()
     qRegisterMetaType< Tomahawk::DynamicPlaylistRevision >("Tomahawk::DynamicPlaylistRevision");
     qRegisterMetaType< Tomahawk::QID >("Tomahawk::QID");
 
+    qRegisterMetaType< Tomahawk::InfoSystem::InfoSystemCache* >( "Tomahawk::InfoSystem::InfoSystemCache*" );
     qRegisterMetaType< Tomahawk::InfoSystem::InfoStringHash >( "Tomahawk::InfoSystem::InfoStringHash" );
     qRegisterMetaType< Tomahawk::InfoSystem::InfoType >( "Tomahawk::InfoSystem::InfoType" );
     qRegisterMetaType< Tomahawk::InfoSystem::PushInfoFlags >( "Tomahawk::InfoSystem::PushInfoFlags" );