diff --git a/j2k/newSrc/org/jetbrains/kotlin/j2k/JavaToJKTreeBuilder.kt b/j2k/newSrc/org/jetbrains/kotlin/j2k/JavaToJKTreeBuilder.kt
index 8e11f7caa40..f7dc00d5d52 100644
--- a/j2k/newSrc/org/jetbrains/kotlin/j2k/JavaToJKTreeBuilder.kt
+++ b/j2k/newSrc/org/jetbrains/kotlin/j2k/JavaToJKTreeBuilder.kt
@@ -315,11 +315,14 @@ class JavaToJKTreeBuilder(var symbolProvider: JKSymbolProvider) {
                         is PsiClass -> it.toJK()
                         is PsiMethod -> it.toJK()
                         is PsiField -> it.toJK()
+                        is PsiClassInitializer -> it.toJK()
                         else -> null
                     }
                 }
             )
 
+        fun PsiClassInitializer.toJK() =
+            JKKtInitDeclarationImpl(body.toJK())
 
         fun PsiEnumConstant.toJK(): JKEnumConstant =
             JKEnumConstantImpl(