diff --git a/src/covermanager/albumcoverloaderresult.h b/src/covermanager/albumcoverloaderresult.h
index c770a2a26..360968b2b 100644
--- a/src/covermanager/albumcoverloaderresult.h
+++ b/src/covermanager/albumcoverloaderresult.h
@@ -24,6 +24,7 @@
 
 #include <QImage>
 #include <QUrl>
+#include <QMetaType>
 
 #include "albumcoverimageresult.h"
 
diff --git a/src/lyrics/lyricssearchrequest.h b/src/lyrics/lyricssearchrequest.h
index c0f1a203e..8bb498029 100644
--- a/src/lyrics/lyricssearchrequest.h
+++ b/src/lyrics/lyricssearchrequest.h
@@ -22,6 +22,7 @@
 
 #include <QtGlobal>
 #include <QString>
+#include <QMetaType>
 
 class LyricsSearchRequest {
  public:
diff --git a/src/radios/radiochannel.h b/src/radios/radiochannel.h
index 4e8162947..55ad45a77 100644
--- a/src/radios/radiochannel.h
+++ b/src/radios/radiochannel.h
@@ -20,6 +20,7 @@
 #ifndef RADIOCHANNEL_H
 #define RADIOCHANNEL_H
 
+#include <QMetaType>
 #include <QList>
 #include <QString>
 #include <QUrl>
diff --git a/src/radios/radioservice.h b/src/radios/radioservice.h
index 5e1cde936..614b3c1b8 100644
--- a/src/radios/radioservice.h
+++ b/src/radios/radioservice.h
@@ -21,6 +21,7 @@
 #define RADIOSERVICE_H
 
 #include <QObject>
+#include <QMetaType>
 #include <QList>
 #include <QVariant>
 #include <QByteArray>
diff --git a/src/scrobbler/scrobblercacheitem.h b/src/scrobbler/scrobblercacheitem.h
index 86ecfa293..4091d4ce1 100644
--- a/src/scrobbler/scrobblercacheitem.h
+++ b/src/scrobbler/scrobblercacheitem.h
@@ -25,6 +25,7 @@
 #include <memory>
 
 #include <QtGlobal>
+#include <QMetaType>
 
 #include "scrobblemetadata.h"
 
diff --git a/src/smartplaylists/smartplaylistsearchterm.h b/src/smartplaylists/smartplaylistsearchterm.h
index 1b1b24d61..f25d07d99 100644
--- a/src/smartplaylists/smartplaylistsearchterm.h
+++ b/src/smartplaylists/smartplaylistsearchterm.h
@@ -23,6 +23,7 @@
 
 #include "config.h"
 
+#include <QMetaType>
 #include <QList>
 #include <QDataStream>
 #include <QVariant>
diff --git a/src/smartplaylists/smartplaylistsitem.h b/src/smartplaylists/smartplaylistsitem.h
index 4c2fad20a..b6052202c 100644
--- a/src/smartplaylists/smartplaylistsitem.h
+++ b/src/smartplaylists/smartplaylistsitem.h
@@ -23,6 +23,7 @@
 
 #include "config.h"
 
+#include <QMetaType>
 #include <QByteArray>
 
 #include "core/simpletreeitem.h"