diff --git a/database.go b/database.go
index efc020f..4b4d503 100644
--- a/database.go
+++ b/database.go
@@ -68,7 +68,7 @@ func getLastSnapshotRecordFromDb() (*SnapshotRecord, error) {
 
 func getSnapshotRecordsFromDb(dateSince string) ([]*SnapshotRecord, error) {
 	snapshots := make([]*SnapshotRecord, 0)
-	query := "SELECT `%s`, `%s`, `%s`, `%s`, `%s` FROM `snapshots` WHERE `%s` > '%s' ORDER BY `id` DESC;"
+	query := "SELECT `%s`, `%s`, `%s`, `%s`, `%s` FROM `snapshots` WHERE `%s` > %s ORDER BY `id` DESC;"
 	rows, err := ClimateDb.Query(fmt.Sprintf(query, "id", "temp", "humidity", "co2", "time", "time", dateSince))
 	if err != nil {
 		return nil, fmt.Errorf("couldn't execute select query: %w", err)