diff --git a/libc/time/lib_localtime.c b/libc/time/lib_localtime.c
index 646b3e6df49..cf2694ba82e 100644
--- a/libc/time/lib_localtime.c
+++ b/libc/time/lib_localtime.c
@@ -64,8 +64,8 @@
 /* Configuration ************************************************************/
 /* Time zone object file directory */
 
-#ifdef CONFIG_LIBC_TZ_TZDIR
-#  define TZDIR CONFIG_LIBC_TZ_TZDIR
+#ifdef CONFIG_LIBC_TZDIR
+#  define TZDIR CONFIG_LIBC_TZDIR
 #else
 #  define TZDIR "/usr/local/etc/zoneinfo"
 #endif