diff --git a/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/types/FirKtType.kt b/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/types/FirKtType.kt
index e8b15404861..c190ae6b240 100644
--- a/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/types/FirKtType.kt
+++ b/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/types/FirKtType.kt
@@ -83,7 +83,7 @@ internal class KtFirFunctionalType(
 
     override val hasReceiver: Boolean
         get() = withValidityAssertion {
-            coneType.receiverType(firBuilder.rootSession) != null
+            coneType.receiverType(builder.rootSession) != null
         }
 
     override val parameterTypes: List<KtType> by cached {