diff --git a/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/Scheme.kt b/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/Scheme.kt
index 07709ab0..913f5a3d 100644
--- a/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/Scheme.kt
+++ b/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/Scheme.kt
@@ -91,5 +91,5 @@ public open class MetaScheme(
 
 public fun Meta.asScheme(): MetaScheme = MetaScheme(this)
 
-public fun <T : Configurable> Meta.toScheme(spec: Specification<T>, block: T.() -> Unit): T =
-    spec.wrap(this).apply(block)
\ No newline at end of file
+public fun <T : Configurable> Meta.toScheme(spec: Specification<T>, block: T.() -> Unit = {}): T =
+    spec.wrap(this).apply(block)