diff --git a/src/flow_control/for.md b/src/flow_control/for.md
index 23445fe4fd..de049f4f40 100644
--- a/src/flow_control/for.md
+++ b/src/flow_control/for.md
@@ -80,7 +80,7 @@ fn main() {
   data is provided. Once the collection has been consumed it is no longer
   available for reuse as it has been 'moved' within the loop.
 
-```rust, editable, ignore
+```rust, editable, ignore, mdbook-runnable
 fn main() {
     let names = vec!["Bob", "Frank", "Ferris"];