diff --git a/pkg/repository/db/postgres.go b/pkg/repository/db/postgres.go
index f554487..49424bd 100644
--- a/pkg/repository/db/postgres.go
+++ b/pkg/repository/db/postgres.go
@@ -401,7 +401,7 @@ func (postgres *Postgres) SelectHumidities(ctx context.Context) ([]*types.Measur
 		return nil, err
 	}
 
-	measuredValues, err := postgres.selectMeasuredValue(tx, query, nil)
+	measuredValues, err := postgres.selectMeasuredValue(tx, query)
 	if err != nil {
 		return nil, err
 	}
@@ -502,7 +502,7 @@ func (postgres *Postgres) SelectPressures(ctx context.Context) ([]*types.Measure
 		return nil, err
 	}
 
-	measuredValues, err := postgres.selectMeasuredValue(tx, query, nil)
+	measuredValues, err := postgres.selectMeasuredValue(tx, query)
 	if err != nil {
 		return nil, err
 	}
@@ -662,7 +662,7 @@ func (postgres *Postgres) SelectTemperatures(ctx context.Context) ([]*types.Meas
 		return nil, err
 	}
 
-	measuredValues, err := postgres.selectMeasuredValue(tx, query, nil)
+	measuredValues, err := postgres.selectMeasuredValue(tx, query)
 	if err != nil {
 		return nil, err
 	}
diff --git a/pkg/repository/db/sqlite.go b/pkg/repository/db/sqlite.go
index bfd03bf..d2bf8d5 100644
--- a/pkg/repository/db/sqlite.go
+++ b/pkg/repository/db/sqlite.go
@@ -312,6 +312,7 @@ func (sqlite *SQLite) selectDevices(tx *sql.Tx, query string, args ...interface{
 	if err != nil {
 		return nil, fmt.Errorf("Failed to query statement: %v", err)
 	}
+	defer rows.Close()
 
 	devices := make([]*types.Device, 0)
 	for rows.Next() {
@@ -379,7 +380,7 @@ func (sqlite *SQLite) SelectHumidities(ctx context.Context) ([]*types.MeasuredVa
 		return nil, err
 	}
 
-	measuredValues, err := sqlite.selectMeasuredValue(tx, query, nil)
+	measuredValues, err := sqlite.selectMeasuredValue(tx, query)
 	if err != nil {
 		return nil, err
 	}
@@ -409,6 +410,7 @@ func (sqlite *SQLite) selectMeasuredValue(tx *sql.Tx, query string, args ...inte
 		tx.Rollback()
 		return nil, err
 	}
+	defer rows.Close()
 
 	measuredValues := make([]*types.MeasuredValue, 0)
 	for rows.Next() {
@@ -416,8 +418,8 @@ func (sqlite *SQLite) selectMeasuredValue(tx *sql.Tx, query string, args ...inte
 		err := rows.Scan(
 			&measuredValue.ID,
 			&measuredValue.Value,
-			&measuredValue.SensorID,
 			&measuredValue.Date,
+			&measuredValue.SensorID,
 			&measuredValue.CreationDate,
 			&measuredValue.UpdateDate,
 		)
@@ -480,7 +482,7 @@ func (sqlite *SQLite) SelectPressures(ctx context.Context) ([]*types.MeasuredVal
 		return nil, err
 	}
 
-	measuredValues, err := sqlite.selectMeasuredValue(tx, query, nil)
+	measuredValues, err := sqlite.selectMeasuredValue(tx, query)
 	if err != nil {
 		return nil, err
 	}
@@ -564,6 +566,7 @@ func (sqlite *SQLite) selectSensors(tx *sql.Tx, query string, args ...interface{
 	if err != nil {
 		return nil, fmt.Errorf("Failed to query statement: %v", err)
 	}
+	defer rows.Close()
 
 	sensors := make([]*types.Sensor, 0)
 	for rows.Next() {
@@ -640,7 +643,7 @@ func (sqlite *SQLite) SelectTemperatures(ctx context.Context) ([]*types.Measured
 		return nil, err
 	}
 
-	measuredValues, err := sqlite.selectMeasuredValue(tx, query, nil)
+	measuredValues, err := sqlite.selectMeasuredValue(tx, query)
 	if err != nil {
 		return nil, err
 	}