diff --git a/src/include/utils/pg_locale.h b/src/include/utils/pg_locale.h
index 2e6dba1..2bb5cbc 100644
--- a/src/include/utils/pg_locale.h
+++ b/src/include/utils/pg_locale.h
@@ -13,7 +13,8 @@
 #define _PG_LOCALE_
 
 #include <locale.h>
-#ifdef LOCALE_T_IN_XLOCALE
+
+#if defined(LOCALE_T_IN_XLOCALE) || defined(__FreeBSD__)
 #include <xlocale.h>
 #endif