diff --git a/tests/dlfcn_test.cpp b/tests/dlfcn_test.cpp
index 6bbe41b..2024b45 100644
--- a/tests/dlfcn_test.cpp
+++ b/tests/dlfcn_test.cpp
@@ -18,8 +18,8 @@
 
 #include <dlfcn.h>
 #include <limits.h>
-#include <stdio.h>
 #include <stdint.h>
+#include <stdio.h>
 #include <string.h>
 #if __has_include(<sys/auxv.h>)
 #include <sys/auxv.h>
diff --git a/tests/libgen_basename_test.cpp b/tests/libgen_basename_test.cpp
index 1202af6..fd3a81c 100644
--- a/tests/libgen_basename_test.cpp
+++ b/tests/libgen_basename_test.cpp
@@ -34,7 +34,7 @@
 #include <libgen.h>
 
 #if !defined(basename) && !defined(MUSL)
-  #error basename should be defined at this point
+#error basename should be defined at this point
 #endif
 
 static char* posix_basename(char* in) {
diff --git a/tests/netdb_test.cpp b/tests/netdb_test.cpp
index 0205707..381ba50 100644
--- a/tests/netdb_test.cpp
+++ b/tests/netdb_test.cpp
@@ -19,10 +19,10 @@
 #include <gtest/gtest.h>
 
 #include <arpa/inet.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
 #include <netinet/in.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
 
 // https://code.google.com/p/android/issues/detail?id=13228
 TEST(netdb, freeaddrinfo_NULL) {
diff --git a/tests/stdio_test.cpp b/tests/stdio_test.cpp
index 9d840f5..99197c9 100644
--- a/tests/stdio_test.cpp
+++ b/tests/stdio_test.cpp
@@ -19,14 +19,14 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <limits.h>
+#include <locale.h>
 #include <math.h>
 #include <stdio.h>
-#include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
+#include <sys/types.h>
 #include <unistd.h>
 #include <wchar.h>
-#include <locale.h>
 
 #include <string>
 #include <thread>