diff --git a/compiler/semantic/sql.go b/compiler/semantic/sql.go
index 4f96d86c0..3f52a7709 100644
--- a/compiler/semantic/sql.go
+++ b/compiler/semantic/sql.go
@@ -674,11 +674,14 @@ func (t *translator) groupBy(sch *selectScope, in []ast.Expr, inType super.Type)
 			} else {
 				save := sch.groupByLoc
 				sch.groupByLoc = expr
-				if col := sch.columns[colno-1]; col.semExpr != nil {
+				switch col := sch.columns[colno-1]; {
+				case col.semExpr != nil:
 					// If semExpr is not nil, column refers to an expanded star
 					// expression - use this value.
 					e, typ = col.semExpr, col.typ
-				} else {
+				case col.lateral:
+					e, typ = resolveLateralColumn(t, sch, col.name, inType)
+				default:
 					e, typ = t.expr(col.astExpr, inType)
 				}
 				sch.groupByLoc = save
diff --git a/compiler/ztests/sql/group-by-ordinal.yaml b/compiler/ztests/sql/group-by-ordinal.yaml
index 153cd42d4..359739f46 100644
--- a/compiler/ztests/sql/group-by-ordinal.yaml
+++ b/compiler/ztests/sql/group-by-ordinal.yaml
@@ -4,6 +4,8 @@ script: |
   super -s -c 'select 1, b, count() as c from test.sup group by 1, b order by c desc'
   echo // ===
   super -s -c 'select * from test.sup group by 1,2,3,4 order by 2 desc'
+  echo // ===
+  super -s -c 'select a+1 a, count(*) as c from test.sup group by 1'
   ! super -s -c 'select a, b, c, d from test.sup group by 5, 0'
   echo // === >&2
   ! super -s -c 'select count() as c, a from test.sup group by 1,2'
@@ -25,6 +27,8 @@ outputs:
       // ===
       {a:1,b:"foo",c:1,d:1}
       {a:1,b:"bar",c:1,d:1}
+      // ===
+      {a:2,c:3}
   - name: stderr
     data: |
       position 5 is not in select list at line 1, column 42: