From 2e675e2939d8b966f882146ea3a502aa7f23eb7f Mon Sep 17 00:00:00 2001
From: Artem Khvastunov <art.spb@gmail.com>
Date: Fri, 4 May 2018 12:24:35 +0200
Subject: [PATCH] fix NPE #19

---
 src/idea/plugin/psiviewer/view/EditorPsiElementHighlighter.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/idea/plugin/psiviewer/view/EditorPsiElementHighlighter.java b/src/idea/plugin/psiviewer/view/EditorPsiElementHighlighter.java
index 1b82737..70a78e9 100755
--- a/src/idea/plugin/psiviewer/view/EditorPsiElementHighlighter.java
+++ b/src/idea/plugin/psiviewer/view/EditorPsiElementHighlighter.java
@@ -46,7 +46,7 @@ public void run() {
             }
         });
 
-        if (psiElement.getReference() != null) {
+        if (psiElement != null && psiElement.getReference() != null) {
             ApplicationManager.getApplication().runReadAction(new Runnable() {
                 public void run() {
                     applyReference(psiElement.getReference());