diff --git a/models/segment.go b/models/segment.go
index 7c841f1..4b50545 100644
--- a/models/segment.go
+++ b/models/segment.go
@@ -12,7 +12,7 @@ type DBSegment struct {
 	SegmentEnd        time.Time `gorm:"index"`
 	SegmentStart      time.Time `gorm:"index"`
 	SegmentType       string    `gorm:"index"`
-	SessionId         string    `gorm:"foreignKey"`
+	SessionId         string    `gorm:"index;foreignKey"`
 	WrapUpCode        string
 }