diff --git a/src/subcommand.rs b/src/subcommand.rs
index 37b47e6..0e0831c 100644
--- a/src/subcommand.rs
+++ b/src/subcommand.rs
@@ -21,8 +21,11 @@ pub trait Subcommand {
 
 /// Create a Subcommand object based on its name.
 pub fn parse_name(name: &str) -> Option<Box<Subcommand>> {
-    for parser in [help::parse_cmd, build::parse_cmd,
-                   serve::parse_cmd, test::parse_cmd].iter() {
+    for parser in [
+        help::parse_cmd as fn(&str) -> Option<Box<Subcommand>>,
+        build::parse_cmd as fn(&str) -> Option<Box<Subcommand>>,
+        serve::parse_cmd as fn(&str) -> Option<Box<Subcommand>>,
+        test::parse_cmd as fn(&str) -> Option<Box<Subcommand>>].iter() {
         let parsed = (*parser)(name);
         if parsed.is_some() { return parsed }
     }