diff --git a/src/day14/main.rs b/src/day14/main.rs
index a393f67..3ac25fd 100644
--- a/src/day14/main.rs
+++ b/src/day14/main.rs
@@ -1,4 +1,5 @@
 use std::collections::HashMap;
+use std::convert::*;
 use std::fs::File;
 use std::io::{BufRead, BufReader};
 
@@ -47,7 +48,7 @@ impl NanoFactory {
         if let Some(count) = self.storage.get_mut(resource.into()) {
             *count -= 1
         }
-        let pipeline = self.pipeline.as_mut_ref();
+        let pipeline = self.pipeline.as_mut();
         let required = self
             .pipeline
             .get(resource.into())