diff --git a/vlib/v/fmt/fmt.v b/vlib/v/fmt/fmt.v
index 3ed4d1ac68..162edc460b 100644
--- a/vlib/v/fmt/fmt.v
+++ b/vlib/v/fmt/fmt.v
@@ -1157,13 +1157,13 @@ pub fn (mut f Fmt) fn_decl(node ast.FnDecl) {
 }
 
 pub fn (mut f Fmt) as_cast(node ast.AsCast) {
-	type_str := f.table.type_to_str(node.typ)
+	type_str := f.table.type_to_str_using_aliases(node.typ, f.mod2alias)
 	f.expr(node.expr)
 	f.write(' as $type_str')
 }
 
 pub fn (mut f Fmt) cast_expr(node ast.CastExpr) {
-	f.write(f.table.type_to_str(node.typ) + '(')
+	f.write(f.table.type_to_str_using_aliases(node.typ, f.mod2alias) + '(')
 	f.expr(node.expr)
 	if node.has_arg {
 		f.write(', ')
diff --git a/vlib/v/fmt/tests/cast_expected.vv b/vlib/v/fmt/tests/cast_expected.vv
index b16b09ee98..7f6a15ecdf 100644
--- a/vlib/v/fmt/tests/cast_expected.vv
+++ b/vlib/v/fmt/tests/cast_expected.vv
@@ -1,8 +1,13 @@
+import v.ast
+import v.table
+
 fn test_as() {
-	a := sum_expr() as Bar
-	_ := a
+	_ := sum_expr() as InfixExpr
+	_ := sum_expr() as ast.PrefixExpr
 }
 
 fn test_cast() {
 	_ := f32(0)
+	_ := Type(0)
+	_ := ast.Expr(sum_expr())
 }
diff --git a/vlib/v/fmt/tests/cast_input.vv b/vlib/v/fmt/tests/cast_input.vv
index a51a0f1c74..72b254cde8 100644
--- a/vlib/v/fmt/tests/cast_input.vv
+++ b/vlib/v/fmt/tests/cast_input.vv
@@ -1,8 +1,14 @@
+import v.ast { InfixExpr }
+import v.table { Type }
+
 fn test_as() {
-	a := sum_expr()     as Bar
-	_ := a
+	_ := sum_expr()     as ast.InfixExpr
+	_ := sum_expr() as ast.PrefixExpr
 }
 
 fn test_cast() {
 	_ := f32(0)
+	_ := table.Type(0)
+	_ := ast.Expr(sum_expr())
 }
+