diff --git a/internal/engine/sqlite/catalog_test.go b/internal/engine/sqlite/catalog_test.go
index bf6dcd8316..89c29d5962 100644
--- a/internal/engine/sqlite/catalog_test.go
+++ b/internal/engine/sqlite/catalog_test.go
@@ -82,6 +82,38 @@ func TestUpdate(t *testing.T) {
 				},
 			},
 		},
+		{
+			// Regression test for #4307: mixed-case column name in ALTER TABLE ADD COLUMN
+			`
+			CREATE TABLE foo (id INTEGER NOT NULL, xYz INTEGER NOT NULL DEFAULT 0);
+			ALTER TABLE foo ADD COLUMN barBaz TEXT NOT NULL DEFAULT '';
+			`,
+			&catalog.Schema{
+				Name: "main",
+				Tables: []*catalog.Table{
+					{
+						Rel: &ast.TableName{Name: "foo"},
+						Columns: []*catalog.Column{
+							{
+								Name:      "id",
+								Type:      ast.TypeName{Name: "INTEGER"},
+								IsNotNull: true,
+							},
+							{
+								Name:      "xyz",
+								Type:      ast.TypeName{Name: "INTEGER"},
+								IsNotNull: true,
+							},
+							{
+								Name:      "barbaz",
+								Type:      ast.TypeName{Name: "TEXT"},
+								IsNotNull: true,
+							},
+						},
+					},
+				},
+			},
+		},
 		{
 			`
 			CREATE TABLE foo (bar text);
diff --git a/internal/engine/sqlite/convert.go b/internal/engine/sqlite/convert.go
index e9868f5be6..7e7c3c7864 100644
--- a/internal/engine/sqlite/convert.go
+++ b/internal/engine/sqlite/convert.go
@@ -67,7 +67,7 @@ func (c *cc) convertAlter_table_stmtContext(n *parser.Alter_table_stmtContext) a
 				Table: parseTableName(n),
 				Cmds:  &ast.List{},
 			}
-			name := def.Column_name().GetText()
+			name := identifier(def.Column_name().GetText())
 			stmt.Cmds.Items = append(stmt.Cmds.Items, &ast.AlterTableCmd{
 				Name:    &name,
 				Subtype: ast.AT_AddColumn,
@@ -88,7 +88,7 @@ func (c *cc) convertAlter_table_stmtContext(n *parser.Alter_table_stmtContext) a
 			Table: parseTableName(n),
 			Cmds:  &ast.List{},
 		}
-		name := n.Column_name(0).GetText()
+		name := identifier(n.Column_name(0).GetText())
 		stmt.Cmds.Items = append(stmt.Cmds.Items, &ast.AlterTableCmd{
 			Name:    &name,
 			Subtype: ast.AT_DropColumn,