--- a/src/java.net.http/share/classes/jdk/internal/net/http/HttpClientImpl.java	Wed Mar 07 17:16:28 2018 +0000
+++ b/src/java.net.http/share/classes/jdk/internal/net/http/HttpClientImpl.java	Thu Mar 08 17:41:52 2018 +0000
@@ -48,6 +48,7 @@
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.Iterator;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.Optional;
 import java.util.Set;
@@ -980,7 +981,7 @@
         filters.addFilter(f);
     }
 
-    final List<HeaderFilter> filterChain() {
+    final LinkedList<HeaderFilter> filterChain() {
         return filters.getFilterChain();
     }