diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/providers/LLFirProvider.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/providers/LLFirProvider.kt
index e01eec49874..d505deef8dc 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/providers/LLFirProvider.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/providers/LLFirProvider.kt
@@ -89,7 +89,6 @@ internal class LLFirProvider(
 
         val fir = symbol.fir
         return when {
-            symbol is FirBackingFieldSymbol -> getFirCallableContainerFile(symbol.fir.propertySymbol)
             symbol is FirSyntheticPropertySymbol && fir is FirSyntheticProperty -> getFirCallableContainerFile(fir.getter.delegate.symbol)
             else -> {
                 symbol.callableId.classId?.let { SyntheticFirClassProvider.getInstance(session).getFirClassifierContainerFileIfAny(it) }
diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/util/containingFileUtils.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/util/containingFileUtils.kt
index 4bdc8ef381f..25172fae9f1 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/util/containingFileUtils.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/util/containingFileUtils.kt
@@ -22,6 +22,7 @@ fun FirElementWithResolveState.getContainingFile(): FirFile? {
         is FirTypeParameter -> containingDeclarationSymbol.fir.getContainingFile()
         is FirPropertyAccessor -> propertySymbol.fir.getContainingFile()
         is FirValueParameter -> containingFunctionSymbol.fir.getContainingFile()
+        is FirBackingField -> propertySymbol.fir.getContainingFile()
         is FirCallableDeclaration -> provider.getFirCallableContainerFile(symbol)
         is FirClassLikeDeclaration -> provider.getFirClassifierContainerFileIfAny(symbol)
         is FirAnonymousInitializer -> containingClass().getContainingFile()