diff --git a/src/command.rs b/src/command.rs
index 128556b..4170a4e 100644
--- a/src/command.rs
+++ b/src/command.rs
@@ -58,7 +58,8 @@ impl Command for UnixProgram {
 
             exit_code
         } else {
-            error::print_error(format!("{}: command not found", program));
+            let message = format!("{}: command not found", &program);
+            error::print_error(message);
             ExitCode::new(127)
         }
     }