From c16ab09b1bd55a2bbfae93c79e13c981b405695d Mon Sep 17 00:00:00 2001
From: Anton Tarasov <anton.tarasov@jetbrains.com>
Date: Thu, 11 May 2017 16:54:18 +0300
Subject: [PATCH] IDEA-172571 IntelliJ IDEA won't start on Mac OS Sierra

---
 platform/util/src/com/intellij/util/ui/JBUI.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/util/src/com/intellij/util/ui/JBUI.java b/platform/util/src/com/intellij/util/ui/JBUI.java
index a288d5ce4a66..fb02c4ba7141 100644
--- a/platform/util/src/com/intellij/util/ui/JBUI.java
+++ b/platform/util/src/com/intellij/util/ui/JBUI.java
@@ -184,7 +184,7 @@ public class JBUI {
       try {
         gd = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
       } catch (HeadlessException ignore) {}
-      if (gd != null) {
+      if (gd != null && gd.getDefaultConfiguration() != null) {
         return sysScale(gd.getDefaultConfiguration());
       }
       return 1.0f;