diff --git a/devenv/src/main.rs b/devenv/src/main.rs
index c11f618b8..1a5c022bb 100644
--- a/devenv/src/main.rs
+++ b/devenv/src/main.rs
@@ -40,7 +40,7 @@ struct Cli {
     max_jobs: u8,
 
     #[arg(
-        short = 'j',
+        short = 'u',
         long,
         help = "Maximum number CPU cores being used by a single build..",
         default_value = "2"