diff --git a/check_dir.c b/check_dir.c
index 30d93f4f..8038e752 100644
--- a/check_dir.c
+++ b/check_dir.c
@@ -25,7 +25,8 @@
 #include <string.h>
 
 /* NB: postgres_fe must be included BEFORE check_dir */
-#include "postgres_fe.h"
+#include <libpq-fe.h>
+#include <postgres_fe.h>
 #include "check_dir.h"
 
 #include "strutil.h"
diff --git a/repmgr.h b/repmgr.h
index 646b203e..5fa9e976 100644
--- a/repmgr.h
+++ b/repmgr.h
@@ -20,11 +20,9 @@
 #ifndef _REPMGR_H_
 #define _REPMGR_H_
 
-#include "postgres_fe.h"
-#include "libpq-fe.h"
-
-
-#include "getopt_long.h"
+#include <libpq-fe.h>
+#include <postgres_fe.h>
+#include <getopt_long.h>
 
 #include "strutil.h"
 #include "dbutils.h"