diff --git a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/expressions/impl/FirDelegatedConstructorCallImpl.kt b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/expressions/impl/FirDelegatedConstructorCallImpl.kt
index 19f0bdce48f..f5b6cff80fc 100644
--- a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/expressions/impl/FirDelegatedConstructorCallImpl.kt
+++ b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/expressions/impl/FirDelegatedConstructorCallImpl.kt
@@ -15,6 +15,7 @@ import org.jetbrains.kotlin.fir.references.FirExplicitSuperReference
 import org.jetbrains.kotlin.fir.references.FirExplicitThisReference
 import org.jetbrains.kotlin.fir.transformSingle
 import org.jetbrains.kotlin.fir.types.FirTypeRef
+import org.jetbrains.kotlin.fir.types.impl.FirImplicitUnitTypeRef
 import org.jetbrains.kotlin.fir.visitors.FirTransformer
 
 class FirDelegatedConstructorCallImpl(
@@ -37,4 +38,6 @@ class FirDelegatedConstructorCallImpl(
 
         return super<FirAbstractCall>.transformChildren(transformer, data)
     }
+
+    override var typeRef: FirTypeRef = FirImplicitUnitTypeRef(session, psi)
 }
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