diff --git a/server/db/model.go b/server/db/model.go
index 41aa85d1..87810f1c 100644
--- a/server/db/model.go
+++ b/server/db/model.go
@@ -49,7 +49,7 @@ type Artist struct {
 	Albums          []*Album `gorm:"foreignkey:TagArtistID"`
 	AlbumCount      int      `sql:"-"`
 	GuessedFolder   *Album
-	GuessedFolderID int `sql:"default: null; type:int REFERENCES albums(id)"`
+	GuessedFolderID int `sql:"default: null; type:int REFERENCES albums(id) ON DELETE SET NULL"`
 }
 
 func (a *Artist) SID() *specid.ID {