diff --git a/xtask/src/not_bash.rs b/xtask/src/not_bash.rs
index 027571b62c..1a7cb7114e 100644
--- a/xtask/src/not_bash.rs
+++ b/xtask/src/not_bash.rs
@@ -113,7 +113,7 @@ fn run_process_inner(cmd: &str, echo: bool) -> Result<String> {
         bail!("{}", output.status)
     }
 
-    Ok(stdout)
+    Ok(stdout.trim().to_string())
 }
 
 // FIXME: some real shell lexing here