diff --git a/android-kotlin/android-extensions-idea-common/src/org/jetbrains/kotlin/android/synthetic/idea/res/IDEAndroidCommonLayoutXmlFileManager.kt b/android-kotlin/android-extensions-idea-common/src/org/jetbrains/kotlin/android/synthetic/idea/res/IDEAndroidCommonLayoutXmlFileManager.kt
index 848ae18e1ec..a8388907209 100644
--- a/android-kotlin/android-extensions-idea-common/src/org/jetbrains/kotlin/android/synthetic/idea/res/IDEAndroidCommonLayoutXmlFileManager.kt
+++ b/android-kotlin/android-extensions-idea-common/src/org/jetbrains/kotlin/android/synthetic/idea/res/IDEAndroidCommonLayoutXmlFileManager.kt
@@ -107,7 +107,7 @@ open class IDEAndroidCommonLayoutXmlFileManager(val module: Module) : AndroidLay
 
     private fun SourceProviderMirror.toVariant() = let {
         val list = resDirectories.mapNotNull { it.canonicalPath }
-        val fixedName = if (name != "") name else "main"  // IdeaSourceProvider's for legacy projects rename the main source set.
+        val fixedName = name.ifEmpty { "main" }  // IdeaSourceProvider's for legacy projects rename the main source set.
         AndroidVariant(fixedName, list)
     }
 
@@ -120,4 +120,4 @@ open class IDEAndroidCommonLayoutXmlFileManager(val module: Module) : AndroidLay
           }
         return AndroidModule(applicationPackage, sourceProviders.map { it.toVariant() })
     }
-}
\ No newline at end of file
+}