diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/inline/LocalClasses.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/inline/LocalClasses.kt
index a8c142dfb98..ed680ba1ab2 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/inline/LocalClasses.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/inline/LocalClasses.kt
@@ -68,6 +68,8 @@ class LocalClassesInInlineLambdasLowering(val context: CommonBackendContext) : B
                         }
 
                         override fun visitClass(declaration: IrClass) {
+                            declaration.transformChildren(transformer, declaration)
+
                             localClasses.add(declaration)
                         }