diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/resolve/extensions/LLFirResolveExtensionTool.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/resolve/extensions/LLFirResolveExtensionTool.kt
index 17fb9a76094..562fa4bd674 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/resolve/extensions/LLFirResolveExtensionTool.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/resolve/extensions/LLFirResolveExtensionTool.kt
@@ -155,7 +155,7 @@ private class LLFirResolveExtensionToolDeclarationProvider(
     }
 
     override fun getTopLevelCallableNamesInPackage(packageFqName: FqName): Set<Name> = forbidAnalysis {
-        return extensionProvider.getFilesByPackage(packageFqName).flatMapTo(mutableSetOf()) { it.getTopLevelClassifierNames() }
+        return extensionProvider.getFilesByPackage(packageFqName).flatMapTo(mutableSetOf()) { it.getTopLevelCallableNames() }
     }
 
     override fun findFilesForFacadeByPackage(packageFqName: FqName): Collection<KtFile> = forbidAnalysis {