diff --git a/nss_cache.c b/nss_cache.c
index 43c27b3..4e0190f 100644
--- a/nss_cache.c
+++ b/nss_cache.c
@@ -22,8 +22,8 @@
 
 #include "nss_cache.h"
 
-#include <sys/mman.h>
 #include <stdio.h>
+#include <sys/mman.h>
 
 /* Locking implementation: use pthreads. */
 #include <pthread.h>
diff --git a/nss_cache.h b/nss_cache.h
index 460b278..9b70a4b 100644
--- a/nss_cache.h
+++ b/nss_cache.h
@@ -30,8 +30,8 @@
 #include <unistd.h>
 
 #ifndef BSD
-#include <shadow.h>
 #include <gshadow.h>
+#include <shadow.h>
 #endif /* ifndef BSD */
 
 #ifndef NSS_CACHE_H
diff --git a/nss_test.h b/nss_test.h
index 161c54a..5b5bfbc 100644
--- a/nss_test.h
+++ b/nss_test.h
@@ -23,8 +23,8 @@
 #include <unistd.h>
 
 #ifndef BSD
-#include <shadow.h>
 #include <gshadow.h>
+#include <shadow.h>
 #endif  // ifndef BSD
 
 #ifndef NSS_TEST_H