diff --git a/idea/src/org/jetbrains/kotlin/idea/caches/KotlinIndicesHelper.kt b/idea/src/org/jetbrains/kotlin/idea/caches/KotlinIndicesHelper.kt
index f72e43480d2..0b35a27d265 100644
--- a/idea/src/org/jetbrains/kotlin/idea/caches/KotlinIndicesHelper.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/caches/KotlinIndicesHelper.kt
@@ -85,8 +85,9 @@ public class KotlinIndicesHelper(
         if (receiverValues.isEmpty()) return emptyList()
 
         val dataFlowInfo = bindingContext.getDataFlowInfo(expression)
+        val containingDeclaration = bindingContext[BindingContext.RESOLUTION_SCOPE, expression]?.getContainingDeclaration() ?: return emptyList()
 
-        val receiverTypeNames = possibleReceiverTypeNames(receiverValues.map { it.first }, dataFlowInfo)
+        val receiverTypeNames = possibleReceiverTypeNames(receiverValues.map { it.first }, containingDeclaration, dataFlowInfo)
 
         val index = JetTopLevelExtensionsByReceiverTypeIndex.INSTANCE
 
@@ -101,10 +102,10 @@ public class KotlinIndicesHelper(
         return findSuitableExtensions(declarations, receiverValues, dataFlowInfo, bindingContext)
     }
 
-    private fun possibleReceiverTypeNames(receiverValues: Collection<ReceiverValue>, dataFlowInfo: DataFlowInfo): Set<String> {
+    private fun possibleReceiverTypeNames(receiverValues: Collection<ReceiverValue>, containingDeclaration: DeclarationDescriptor, dataFlowInfo: DataFlowInfo): Set<String> {
         val result = HashSet<String>()
         for (receiverValue in receiverValues) {
-            for (type in SmartCastUtils.getSmartCastVariants(receiverValue, bindingContext, dataFlowInfo)) {
+            for (type in SmartCastUtils.getSmartCastVariants(receiverValue, bindingContext, containingDeclaration, dataFlowInfo)) {
                 result.addTypeNames(type)
             }
         }