diff --git a/README.md b/README.md
index 7099267..4ba2cdc 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,7 @@ It collect key metrics about:
 | rds_read_throughput_bytes | `aws_account_id`, `aws_region`, `dbidentifier` | Average number of bytes read from disk per second |
 | rds_transaction_logs_disk_usage_bytes | `aws_account_id`, `aws_region`, `dbidentifier` | Disk space used by transaction logs (only on PostgreSQL) |
 | rds_replica_lag_seconds | `aws_account_id`, `aws_region`, `dbidentifier` | For read replica configurations, the amount of time a read replica DB instance lags behind the source DB instance. Applies to MariaDB, Microsoft SQL Server, MySQL, Oracle, and PostgreSQL read replicas |
-| rds_replication_slot_disk_usage_average | `aws_account_id`, `aws_region`, `dbidentifier` | Disk space used by replication slot files. Applies to PostgreSQL |
+| rds_replication_slot_disk_usage_bytes | `aws_account_id`, `aws_region`, `dbidentifier` | Disk space used by replication slot files. Applies to PostgreSQL |
 | rds_swap_usage_bytes | `aws_account_id`, `aws_region`, `dbidentifier` | Amount of swap space used on the DB instance. This metric is not available for SQL Server |
 | rds_usage_allocated_storage_bytes | `aws_account_id`, `aws_region` | Total storage used by AWS RDS instances |
 | rds_usage_db_instances_average | `aws_account_id`, `aws_region` | AWS RDS instance count |
diff --git a/internal/app/exporter/exporter.go b/internal/app/exporter/exporter.go
index 1b0270a..602ae91 100644
--- a/internal/app/exporter/exporter.go
+++ b/internal/app/exporter/exporter.go
@@ -204,7 +204,7 @@ func NewCollector(logger slog.Logger, collectorConfiguration Configuration, awsA
 			"For read replica configurations, the amount of time a read replica DB instance lags behind the source DB instance. Applies to MariaDB, Microsoft SQL Server, MySQL, Oracle, and PostgreSQL read replicas",
 			[]string{"aws_account_id", "aws_region", "dbidentifier"}, nil,
 		),
-		replicationSlotDiskUsage: prometheus.NewDesc("rds_replication_slot_disk_usage_average",
+		replicationSlotDiskUsage: prometheus.NewDesc("rds_replication_slot_disk_usage_bytes",
 			"Disk space used by replication slot files. Applies to PostgreSQL",
 			[]string{"aws_account_id", "aws_region", "dbidentifier"}, nil,
 		),
diff --git a/internal/app/rds/rds.go b/internal/app/rds/rds.go
index f9b1d5e..88a638b 100644
--- a/internal/app/rds/rds.go
+++ b/internal/app/rds/rds.go
@@ -210,9 +210,9 @@ func (r *RDSFetcher) computeInstanceMetrics(dbInstance aws_rds_types.DBInstance,
 
 	iops, storageThroughput := getStorageMetrics(*dbInstance.StorageType, int64(dbInstance.AllocatedStorage), iops, throughput)
 
-	var maxAllocatedStorage int32 = 0
+	var maxAllocatedStorage int64 = 0
 	if dbInstance.MaxAllocatedStorage != nil {
-		maxAllocatedStorage = *dbInstance.MaxAllocatedStorage
+		maxAllocatedStorage = int64(*dbInstance.MaxAllocatedStorage)
 	}
 
 	pendingModifiedValues := false
@@ -260,7 +260,7 @@ func (r *RDSFetcher) computeInstanceMetrics(dbInstance aws_rds_types.DBInstance,
 		Engine:                     *dbInstance.Engine,
 		EngineVersion:              *dbInstance.EngineVersion,
 		LogFilesSize:               logFilesSize,
-		MaxAllocatedStorage:        converter.GigaBytesToBytes(int64(maxAllocatedStorage)),
+		MaxAllocatedStorage:        converter.GigaBytesToBytes(maxAllocatedStorage),
 		MaxIops:                    iops,
 		MultiAZ:                    dbInstance.MultiAZ,
 		PendingMaintenanceAction:   pendingMaintenanceAction,
diff --git a/internal/app/rds/rds_test.go b/internal/app/rds/rds_test.go
index 90188eb..cc17695 100644
--- a/internal/app/rds/rds_test.go
+++ b/internal/app/rds/rds_test.go
@@ -96,8 +96,11 @@ func TestGetMetrics(t *testing.T) {
 	assert.Equal(t, "primary", m.Role, "Should be primary node")
 	assert.Equal(t, emptyInt64, m.LogFilesSize, "Log file size mismatch")
 
-	assert.Equal(t, converter.GigaBytesToBytes(rdsInstance.AllocatedStorage), m.AllocatedStorage, "Allocated storage mismatch")
-	assert.Equal(t, converter.GigaBytesToBytes(*rdsInstance.MaxAllocatedStorage), m.MaxAllocatedStorage, "Max allocated storage (aka autoscaling) mismatch")
+	fmt.Println("MaxAllocatedStorage", *rdsInstance.MaxAllocatedStorage)
+	fmt.Println("MaxAllocatedStorage", converter.GigaBytesToBytes(int64(10)))
+
+	assert.Equal(t, converter.GigaBytesToBytes(int64(rdsInstance.AllocatedStorage)), m.AllocatedStorage, "Allocated storage mismatch")
+	assert.Equal(t, converter.GigaBytesToBytes(int64(*rdsInstance.MaxAllocatedStorage)), m.MaxAllocatedStorage, "Max allocated storage (aka autoscaling) mismatch")
 	assert.Equal(t, int64(*rdsInstance.Iops), m.MaxIops, "Max IOPS mismatch")
 	assert.Equal(t, converter.DaystoSeconds(rdsInstance.BackupRetentionPeriod), m.BackupRetentionPeriod, "Backup retention mismatch")
 	assert.Equal(t, rdsInstance.DeletionProtection, m.DeletionProtection, "Deletion protection mismatch")