diff --git a/spring-boot-project/spring-boot/src/test/resources/org/springframework/boot/env/test-xml.xml b/spring-boot-project/spring-boot/src/test/resources/org/springframework/boot/env/test-xml.xml
index 6757e07f603..5d3350e81fb 100644
--- a/spring-boot-project/spring-boot/src/test/resources/org/springframework/boot/env/test-xml.xml
+++ b/spring-boot-project/spring-boot/src/test/resources/org/springframework/boot/env/test-xml.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE properties SYSTEM "https://java.sun.com/dtd/properties.dtd">
+<!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd">
 <properties>
 	<entry key="test">xml</entry>
 </properties>