diff --git a/spec/compiler/semantic/macro_spec.cr b/spec/compiler/semantic/macro_spec.cr
index ec2c3ca63f76..bdd6c11ae3fd 100644
--- a/spec/compiler/semantic/macro_spec.cr
+++ b/spec/compiler/semantic/macro_spec.cr
@@ -568,7 +568,7 @@ describe "Semantic: macro" do
 
   it "allows declaring class with macro expression" do
     assert_type(%(
-      {{ `echo "class Foo; end"` }}
+      {{ "class Foo; end".id }}
 
       Foo.new
       )) { types["Foo"] }