diff --git a/src/ir/ir.cc b/src/ir/ir.cc
index 9510c31..86ffee3 100644
--- a/src/ir/ir.cc
+++ b/src/ir/ir.cc
@@ -28,10 +28,10 @@ auto compile(const sourcemeta::core::JSON &input,
   sourcemeta::core::SchemaTransformer canonicalizer;
   sourcemeta::core::add(canonicalizer,
                         sourcemeta::core::AlterSchemaMode::Canonicalizer);
-  [[maybe_unused]] const auto canonicalized{
-      canonicalizer.apply(schema, walker, resolver,
-                          [](const auto &, const auto, const auto,
-                             const auto &) { assert(false); })};
+  [[maybe_unused]] const auto canonicalized{canonicalizer.apply(
+      schema, walker, resolver,
+      [](const auto &, const auto, const auto, const auto &) { assert(false); },
+      default_dialect, default_id)};
   assert(canonicalized.first);
 
   // --------------------------------------------------------------------------
diff --git a/test/ir/ir_2020_12_test.cc b/test/ir/ir_2020_12_test.cc
index 6454aaf..81c1b75 100644
--- a/test/ir/ir_2020_12_test.cc
+++ b/test/ir/ir_2020_12_test.cc
@@ -23,6 +23,24 @@ TEST(IR_2020_12, test_1) {
   EXPECT_SYMBOL(std::get<IRScalar>(result.at(0)).symbol);
 }
 
+TEST(IR_2020_12, default_dialect_parameter) {
+  const sourcemeta::core::JSON schema{sourcemeta::core::parse_json(R"JSON({
+    "type": "string"
+  })JSON")};
+
+  const auto result{sourcemeta::codegen::compile(
+      schema, sourcemeta::core::schema_walker,
+      sourcemeta::core::schema_resolver, sourcemeta::codegen::default_compiler,
+      "https://json-schema.org/draft/2020-12/schema")};
+
+  using namespace sourcemeta::codegen;
+
+  EXPECT_EQ(result.size(), 1);
+
+  EXPECT_IR_SCALAR(result, 0, String, "");
+  EXPECT_SYMBOL(std::get<IRScalar>(result.at(0)).symbol);
+}
+
 TEST(IR_2020_12, test_2) {
   const sourcemeta::core::JSON schema{sourcemeta::core::parse_json(R"JSON({
     "$schema": "https://json-schema.org/draft/2020-12/schema",