diff --git a/idea/src/org/jetbrains/kotlin/idea/projectView/projectViewProviders.kt b/idea/src/org/jetbrains/kotlin/idea/projectView/projectViewProviders.kt
index 0f1eb97abdc..3dae6753b99 100644
--- a/idea/src/org/jetbrains/kotlin/idea/projectView/projectViewProviders.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/projectView/projectViewProviders.kt
@@ -46,7 +46,7 @@ class KotlinExpandNodeProjectViewProvider : TreeStructureProvider, DumbAware {
         val result = ArrayList<AbstractTreeNode<out Any>>()
 
         for (child in children) {
-            val childValue = child.value.asKtFile()
+            val childValue = child.value?.asKtFile()
 
             if (childValue != null) {
                 val declarations = childValue.declarations