diff --git a/.clang-tidy b/.clang-tidy
index 29039fb..14a105a 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -1,2 +1,2 @@
-Checks: 'bugprone-*,-bugprone-macro-parentheses,-bugprone-too-small-loop-variable,cert-*,clang-analyzer-*,readability-*,-readability-inconsistent-declaration-parameter-name,-readability-magic-numbers,-readability-named-parameter'
+Checks: 'bugprone-*,-bugprone-macro-parentheses,-bugprone-too-small-loop-variable,cert-*,clang-analyzer-*,readability-*,-readability-inconsistent-declaration-parameter-name,-readability-magic-numbers,-readability-named-parameter,llvm-include-order'
 WarningsAsErrors: '*'
diff --git a/h_malloc.c b/h_malloc.c
index 69e1e05..e8a2b9d 100644
--- a/h_malloc.c
+++ b/h_malloc.c
@@ -3,9 +3,9 @@
 #include <inttypes.h>
 #include <stdatomic.h>
 #include <stdbool.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <stdio.h>
 
 #if __has_include(<threads.h>)
 #include <threads.h>
@@ -23,8 +23,8 @@
 #include "third_party/libdivide.h"
 
 #include "h_malloc.h"
-#include "mutex.h"
 #include "memory.h"
+#include "mutex.h"
 #include "pages.h"
 #include "random.h"
 #include "util.h"