diff --git a/database/gdb/gdb_model.go b/database/gdb/gdb_model.go
index 4d49ff63b..0e3190a89 100644
--- a/database/gdb/gdb_model.go
+++ b/database/gdb/gdb_model.go
@@ -57,7 +57,7 @@ const (
 	OPTION_ALLOWEMPTY = 2
 
 	linkTypeMaster   = 1
-	linkTypeMSlave   = 2
+	linkTypeSlave    = 2
 	whereHolderWhere = 1
 	whereHolderAnd   = 2
 	whereHolderOr    = 3
@@ -198,7 +198,7 @@ func (m *Model) Master() *Model {
 // Note that it makes sense only if there's any slave node configured.
 func (m *Model) Slave() *Model {
 	model := m.getModel()
-	model.linkType = linkTypeMSlave
+	model.linkType = linkTypeSlave
 	return model
 }
 
diff --git a/database/gdb/gdb_model_utility.go b/database/gdb/gdb_model_utility.go
index 4487e9af3..780dad019 100644
--- a/database/gdb/gdb_model_utility.go
+++ b/database/gdb/gdb_model_utility.go
@@ -151,7 +151,7 @@ func (m *Model) getLink(master bool) Link {
 		if master {
 			linkType = linkTypeMaster
 		} else {
-			linkType = linkTypeMSlave
+			linkType = linkTypeSlave
 		}
 	}
 	switch linkType {
@@ -161,7 +161,7 @@ func (m *Model) getLink(master bool) Link {
 			panic(err)
 		}
 		return link
-	case linkTypeMSlave:
+	case linkTypeSlave:
 		link, err := m.db.GetSlave(m.schema)
 		if err != nil {
 			panic(err)