diff --git a/.clang-format b/.clang-format
index b043d466d4d6416d63e9817232cc188bc1a1abfa..880e9cb95d4af000a3432c4894d44690da28b3ca 100644
--- a/.clang-format
+++ b/.clang-format
@@ -31,3 +31,5 @@ IndentCaseLabels: false
 ReflowComments: false
 # Android does support C++11 now.
 Standard: Cpp11
+# Don't merge include blocks.
+IncludeBlocks: Preserve