diff --git a/idea/src/org/jetbrains/kotlin/idea/facet/KotlinFrameworkDetector.kt b/idea/src/org/jetbrains/kotlin/idea/facet/KotlinFrameworkDetector.kt
index c75e8645c7c..2d1b0ed6d65 100644
--- a/idea/src/org/jetbrains/kotlin/idea/facet/KotlinFrameworkDetector.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/facet/KotlinFrameworkDetector.kt
@@ -41,7 +41,7 @@ class KotlinFrameworkDetector : FacetBasedFrameworkDetector<KotlinFacet, KotlinF
     override fun detect(
             newFiles: Collection<VirtualFile>,
             context: FrameworkDetectionContext
-    ) = emptyList<DetectedFrameworkDescription>()
+    ) = ArrayList<DetectedFrameworkDescription>()
 
     fun internalDetect(
             newFiles: Collection<VirtualFile>,