From 099953f795fa4bb3a94b3153d8f1fbb72d7550be Mon Sep 17 00:00:00 2001
From: Dave Syer <dsyer@pivotal.io>
Date: Thu, 25 Feb 2016 11:52:34 +0000
Subject: [PATCH] Use system environment property source

---
 .../cloud/bootstrap/BootstrapApplicationListener.java         | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/spring-cloud-context/src/main/java/org/springframework/cloud/bootstrap/BootstrapApplicationListener.java b/spring-cloud-context/src/main/java/org/springframework/cloud/bootstrap/BootstrapApplicationListener.java
index b3ec9f3b..72961ffe 100644
--- a/spring-cloud-context/src/main/java/org/springframework/cloud/bootstrap/BootstrapApplicationListener.java
+++ b/spring-cloud-context/src/main/java/org/springframework/cloud/bootstrap/BootstrapApplicationListener.java
@@ -43,6 +43,7 @@ import org.springframework.core.env.MapPropertySource;
 import org.springframework.core.env.MutablePropertySources;
 import org.springframework.core.env.PropertySource;
 import org.springframework.core.env.StandardEnvironment;
+import org.springframework.core.env.SystemEnvironmentPropertySource;
 import org.springframework.core.io.support.SpringFactoriesLoader;
 import org.springframework.util.ClassUtils;
 import org.springframework.util.StringUtils;
@@ -334,7 +335,8 @@ public class BootstrapApplicationListener
 
 	}
 
-	private static class ExtendedDefaultPropertySource extends MapPropertySource {
+	private static class ExtendedDefaultPropertySource
+			extends SystemEnvironmentPropertySource {
 
 		private final CompositePropertySource sources;
 		private final List<String> names = new ArrayList<>();