diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/HighlightingVisitor.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/HighlightingVisitor.kt
index e591cf82270..42cc1dcb512 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/HighlightingVisitor.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/HighlightingVisitor.kt
@@ -23,7 +23,9 @@ import com.intellij.openapi.util.TextRange
 import com.intellij.psi.PsiElement
 import org.jetbrains.kotlin.psi.KtVisitorVoid
 
-abstract class HighlightingVisitor protected constructor(private var holder: AnnotationHolder) : KtVisitorVoid() {
+abstract class HighlightingVisitor protected constructor(
+        private val holder: AnnotationHolder
+) : KtVisitorVoid() {
 
     protected fun createInfoAnnotation(element: PsiElement, message: String? = null): Annotation =
             createInfoAnnotation(element.textRange, message)