diff --git a/vlib/orm/orm_null_test.v b/vlib/orm/orm_null_test.v
index 27dec5ed07d2dd..253de0f60af721 100644
--- a/vlib/orm/orm_null_test.v
+++ b/vlib/orm/orm_null_test.v
@@ -227,10 +227,10 @@ struct Bar {
 	age  int
 }
 
-fn update_bar1(db MockDB, id u64, name ?string) ! {
+fn update_bar1(db MockDB, id u64, name_ ?string) ! {
 	foo := 66
 	sql db {
-		update Bar set name = name, age = age + 3 + foo where id == id
+		update Bar set name = name_, age = age + 3 + foo where id == id
 	}!
 }
 
diff --git a/vlib/v/checker/orm.v b/vlib/v/checker/orm.v
index 19ed2a349d90e9..c9bbf80773dfdd 100644
--- a/vlib/v/checker/orm.v
+++ b/vlib/v/checker/orm.v
@@ -338,6 +338,13 @@ fn (mut c Checker) sql_stmt_line(mut node ast.SqlStmtLine) ast.Type {
 				field := node.fields.filter(it.name == column)[0]
 				c.expected_type = field.typ
 			}
+			if mut expr is ast.Ident {
+				for field in fields {
+					if expr.name == field.name {
+						c.error('unknown V identifier `${field.name}`', expr.pos)
+					}
+				}
+			}
 			c.expr(mut expr)
 		}
 	}
diff --git a/vlib/v/checker/tests/orm_update_right_type_ident_err.out b/vlib/v/checker/tests/orm_update_right_type_ident_err.out
new file mode 100644
index 00000000000000..f23a937b223d6b
--- /dev/null
+++ b/vlib/v/checker/tests/orm_update_right_type_ident_err.out
@@ -0,0 +1,7 @@
+vlib/v/checker/tests/orm_update_right_type_ident_err.vv:16:38: error: unknown V identifier `seo_f1`
+   14 | 
+   15 |     sql db {
+   16 |         update SeoBlock set seo_f1 = seo_f1 where seo_f1 == ""
+      |                                      ~~~~~~
+   17 |     } or { panic(err) }
+   18 | }
diff --git a/vlib/v/checker/tests/orm_update_right_type_ident_err.vv b/vlib/v/checker/tests/orm_update_right_type_ident_err.vv
new file mode 100644
index 00000000000000..ea47056723f5f0
--- /dev/null
+++ b/vlib/v/checker/tests/orm_update_right_type_ident_err.vv
@@ -0,0 +1,18 @@
+module main
+
+import db.sqlite
+
+pub struct SeoBlock {
+    pub:
+    seo_f1 string
+    seo_is_f1_capitalize bool
+    seo_params string
+}
+
+fn main() {
+	db := sqlite.connect('test.db') or { panic(err) }
+
+    sql db {
+        update SeoBlock set seo_f1 = seo_f1 where seo_f1 == ""
+    } or { panic(err) }
+}