diff --git a/server/ast/column_table_def.go b/server/ast/column_table_def.go
index 219d4f9320..7653d9bc08 100644
--- a/server/ast/column_table_def.go
+++ b/server/ast/column_table_def.go
@@ -94,6 +94,12 @@ func nodeColumnTableDef(ctx *Context, node *tree.ColumnTableDef) (*vitess.Column
 		if err != nil {
 			return nil, err
 		}
+
+		// GMS requires the AST to wrap function expressions in parens
+		if _, ok := generated.(*vitess.FuncExpr); ok {
+			generated = &vitess.ParenExpr{Expr: generated}
+		}
+
 		//TODO: need to add support for VIRTUAL in the parser
 		generatedStored = true
 	}
diff --git a/testing/go/create_table_test.go b/testing/go/create_table_test.go
index 96ec12c8d9..36647d8037 100755
--- a/testing/go/create_table_test.go
+++ b/testing/go/create_table_test.go
@@ -178,7 +178,6 @@ func TestCreateTable(t *testing.T) {
 		},
 		{
 			Name: "create table with function in generated column",
-			Skip: true, // ERROR: column default function expressions must be enclosed in parentheses
 			SetUpScript: []string{
 				"create table t1 (a varchar(10) primary key, b varchar(10), c varchar(20) generated always as (concat(a,b)) stored);",
 			},