diff --git a/handledb.go b/handledb.go
index 753750d..3c4744b 100644
--- a/handledb.go
+++ b/handledb.go
@@ -40,7 +40,7 @@ type dbDocument struct {
 	Username   string  `db:"username"`
 	DocumentID string  `db:"documentid"`
 	Percentage float64 `db:"percentage"`
-	Progress   int64   `db:"progress"`
+	Progress   string  `db:"progress"`
 	Device     string  `db:"device"`
 	DeviceID   string  `db:"device_id"`
 	Timestamp  int64   `db:"timestamp"`
diff --git a/kosyncsrv.go b/kosyncsrv.go
index 25e4305..8a7f0fc 100644
--- a/kosyncsrv.go
+++ b/kosyncsrv.go
@@ -22,7 +22,7 @@ type requestHeader struct {
 type requestPosition struct {
 	DocumentID string  `json:"document"`
 	Percentage float64 `json:"percentage"`
-	Progress   int64   `json:"progress"`
+	Progress   string  `json:"progress"`
 	Device     string  `json:"device"`
 	DeviceID   string  `json:"device_id"`
 }