diff --git a/src/timezone/zic.c b/src/timezone/zic.c
index b698a7cf7c5..22179e5b253 100644
--- a/src/timezone/zic.c
+++ b/src/timezone/zic.c
@@ -40,6 +40,9 @@ typedef int64 zic_t;
 #define MKDIR_UMASK 0755
 #endif
 #endif
+#ifndef S_ISLNK
+#define S_ISLNK(m) 0
+#endif
 
 struct rule
 {