diff --git a/lib/roken/hstrerror.c b/lib/roken/hstrerror.c
index 7c74123ec..9ed3f1036 100644
--- a/lib/roken/hstrerror.c
+++ b/lib/roken/hstrerror.c
@@ -26,7 +26,7 @@ const
 int h_nerr = { sizeof h_errlist / sizeof h_errlist[0] };
 #else
 
-#ifdef NEED_H_ERRLIST_PROTO
+#ifdef NEED_H_ERRLIST_DECLARATION
 extern const char *h_errlist[];
 extern int h_nerr;
 #endif