diff --git a/src/runtime.rs b/src/runtime.rs
index 4003ac79..04a1d521 100644
--- a/src/runtime.rs
+++ b/src/runtime.rs
@@ -4,7 +4,7 @@ use std::io::stderr;
 use std::io::Write;
 
 pub struct Runtime<'a> {
-    config : Config<'a>,
+    pub config : Config<'a>,
 }
 
 impl<'a> Runtime<'a> {