diff --git a/gui/covers.cpp b/gui/covers.cpp
index 794be907e..e11ee8254 100644
--- a/gui/covers.cpp
+++ b/gui/covers.cpp
@@ -286,7 +286,7 @@ Covers::Covers()
 
 QPixmap * Covers::get(const Song &song, int size, bool isSingleTracks, bool isLocal)
 {
-    QString key=song.albumArtist()+QLatin1String(" - ")+song.album;
+    QString key=song.albumArtist()+QLatin1String(" - ")+song.album+QChar(':')+QString::number(size);
     QPixmap *pix(cache.object(key));
 
     if (!pix) {