diff --git a/src/bin/cargo-miri.rs b/src/bin/cargo-miri.rs
index 43e8761d48..479374ee47 100644
--- a/src/bin/cargo-miri.rs
+++ b/src/bin/cargo-miri.rs
@@ -336,7 +336,7 @@ path = "lib.rs"
     let sysroot = if is_host { dir.join("HOST") } else { PathBuf::from(dir) };
     std::env::set_var("MIRI_SYSROOT", &sysroot); // pass the env var to the processes we spawn, which will turn it into "--sysroot" flags
     if print_env {
-        println!("MIRI_SYSROOT={}", sysroot.display());
+        println!("MIRI_SYSROOT='{}'", sysroot.display().to_string().replace('\'', r#"'"'"'"#));
     } else if !ask_user {
         println!("A libstd for Miri is now available in `{}`.", sysroot.display());
     }