diff --git a/compiler/fir/fir2ir/jvm-backend/src/org/jetbrains/kotlin/fir/backend/jvm/FirJvmMangleComputer.kt b/compiler/fir/fir2ir/jvm-backend/src/org/jetbrains/kotlin/fir/backend/jvm/FirJvmMangleComputer.kt
index a358f3857cc..df35c7d32f0 100644
--- a/compiler/fir/fir2ir/jvm-backend/src/org/jetbrains/kotlin/fir/backend/jvm/FirJvmMangleComputer.kt
+++ b/compiler/fir/fir2ir/jvm-backend/src/org/jetbrains/kotlin/fir/backend/jvm/FirJvmMangleComputer.kt
@@ -280,6 +280,10 @@ open class FirJvmMangleComputer(
             is ConeCapturedType -> {
                 mangleType(tBuilder, type.lowerType ?: type.constructor.supertypes!!.first())
             }
+            is ConeIntersectionType -> {
+                // TODO: add intersectionTypeApproximation
+                mangleType(tBuilder, type.intersectedTypes.first())
+            }
             else -> error("Unexpected type $type")
         }
     }