diff --git a/compiler/frontend/src/org/jetbrains/kotlin/script/KotlinScriptConfigurationManager.kt b/compiler/frontend/src/org/jetbrains/kotlin/script/KotlinScriptConfigurationManager.kt
index 952a81ffa90..23da1e2c928 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/script/KotlinScriptConfigurationManager.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/script/KotlinScriptConfigurationManager.kt
@@ -51,8 +51,8 @@ class KotlinScriptConfigurationManager(project: Project, scriptDefinitionProvide
 }
 
 fun loadScriptDefinitionsFromDirectoryWithConfigs(dir: File): List<KotlinConfigurableScriptDefinition> =
-    dir.listFiles { file -> file.name.endsWith(SCRIPT_CONFIG_FILE_EXTENSION, ignoreCase = true) }
-            .flatMap (::loadScriptDefinitionsFromConfig)
+    dir.walk().filter { it.isFile && it.name.endsWith(SCRIPT_CONFIG_FILE_EXTENSION, ignoreCase = true) }.toList()
+            .flatMap ( ::loadScriptDefinitionsFromConfig )
 
 fun loadScriptDefinitionsFromConfig(configFile: File): List<KotlinConfigurableScriptDefinition> =
         JDOMUtil.loadDocument(configFile).rootElement.children.mapNotNull {