1 files changed, 1 insertions, 1 deletions
diff --git a/stream.h b/stream.h
index ba6ef58e..cae9bf98 100644
--- a/stream.h
+++ b/stream.h
@@ -24,7 +24,7 @@
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
-extern val std_input, std_output, std_error;
+extern val std_input, std_output, std_debug, std_error;
 extern val output_produced;
 
 val make_stdio_stream(FILE *, val descr, val input, val output);