1 files changed, 1 insertions, 1 deletions
diff --git a/lib.h b/lib.h
index 8b2b700d..07506a2b 100644
--- a/lib.h
+++ b/lib.h
@@ -429,7 +429,7 @@ extern val eof_s, eol_s, assert_s, name_s;
 extern val error_s, type_error_s, internal_error_s;
 extern val numeric_error_s, range_error_s;
 extern val query_error_s, file_error_s, process_error_s, syntax_error_s;
-extern val system_error_s;
+extern val system_error_s, timeout_error_s;
 extern val gensym_counter_s;
 
 #define gensym_counter (deref(lookup_var_l(nil, gensym_counter_s)))