1 files changed, 1 insertions, 1 deletions
diff --git a/stream.h b/stream.h
index 04cdeb26..edd1acc4 100644
--- a/stream.h
+++ b/stream.h
@@ -62,7 +62,7 @@ extern val atime_k, mtime_k, ctime_k;
 extern val from_start_k, from_current_k, from_end_k;
 extern val real_time_k, name_k;
 
-val stdin_s, stdout_s, stddebug_s, stderr_s, stdnull_s;
+extern val stdin_s, stdout_s, stddebug_s, stderr_s, stdnull_s;
 
 val make_null_stream(void);
 val make_stdio_stream(FILE *, val descr);