diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/scopes/impl/FirTypeIntersectionScope.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/scopes/impl/FirTypeIntersectionScope.kt
index 6342f0f0ac4..dbccb429cd9 100644
--- a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/scopes/impl/FirTypeIntersectionScope.kt
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/scopes/impl/FirTypeIntersectionScope.kt
@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.fir.scopes.impl
 import org.jetbrains.kotlin.descriptors.Visibilities
 import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.declarations.FirCallableMemberDeclaration
+import org.jetbrains.kotlin.fir.declarations.FirDeclarationOrigin
 import org.jetbrains.kotlin.fir.declarations.FirProperty
 import org.jetbrains.kotlin.fir.declarations.FirSimpleFunction
 import org.jetbrains.kotlin.fir.resolve.substitution.ConeSubstitutor
@@ -100,6 +101,7 @@ class FirTypeIntersectionScope private constructor(
                     val mostSpecificFunction = mostSpecific.fir
                     createFunctionCopy(mostSpecific.fir, newSymbol).apply {
                         resolvePhase = mostSpecificFunction.resolvePhase
+                        origin = FirDeclarationOrigin.IntersectionOverride
                         typeParameters += mostSpecificFunction.typeParameters
                         valueParameters += mostSpecificFunction.valueParameters.mapIndexed { index, mostSpecificParameter ->
                             val overriddenWithDefault =
diff --git a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/FirDeclarationOrigin.kt b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/FirDeclarationOrigin.kt
index 1c79d0e1035..bf5189b0d54 100644
--- a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/FirDeclarationOrigin.kt
+++ b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/FirDeclarationOrigin.kt
@@ -14,6 +14,7 @@ sealed class FirDeclarationOrigin {
     object FakeOverride : FirDeclarationOrigin()
     object Enhancement : FirDeclarationOrigin()
     object ImportedFromObject : FirDeclarationOrigin()
+    object IntersectionOverride : FirDeclarationOrigin()
 
     class Plugin(val key: FirPluginKey) : FirDeclarationOrigin()
 }
diff --git a/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/symbols/KtFirSymbol.kt b/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/symbols/KtFirSymbol.kt
index bbf17e26f55..ecf466008fb 100644
--- a/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/symbols/KtFirSymbol.kt
+++ b/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/symbols/KtFirSymbol.kt
@@ -25,6 +25,7 @@ private fun FirDeclarationOrigin.asKtSymbolOrigin() = when (this) {
     FirDeclarationOrigin.Synthetic -> throw InvalidFirDeclarationOriginForSymbol(this)
     FirDeclarationOrigin.FakeOverride -> throw InvalidFirDeclarationOriginForSymbol(this)
     FirDeclarationOrigin.ImportedFromObject -> throw InvalidFirDeclarationOriginForSymbol(this)
+    FirDeclarationOrigin.IntersectionOverride -> throw InvalidFirDeclarationOriginForSymbol(this)
     FirDeclarationOrigin.Enhancement -> throw InvalidFirDeclarationOriginForSymbol(this)
     is FirDeclarationOrigin.Plugin -> throw InvalidFirDeclarationOriginForSymbol(this)
 }