diff --git a/rustfs/src/connect/registration_bootstrap.rs b/rustfs/src/connect/registration_bootstrap.rs
index c1d3d21c2..c14deeb6b 100644
--- a/rustfs/src/connect/registration_bootstrap.rs
+++ b/rustfs/src/connect/registration_bootstrap.rs
@@ -434,10 +434,11 @@ mod tests {
     };
 
     fn secure_tempdir() -> tempfile::TempDir {
+        let home = std::path::PathBuf::from(std::env::var_os("HOME").expect("test requires a protected home directory"));
         tempfile::Builder::new()
             .prefix(".connect-registration-bootstrap-")
-            .tempdir_in(env!("CARGO_MANIFEST_DIR"))
-            .expect("temporary directory inside the protected checkout")
+            .tempdir_in(home)
+            .expect("temporary directory inside the protected home directory")
     }
 
     fn create_secure_state_tree(state: &Path) {
diff --git a/rustfs/tests/connect_registration_bootstrap.rs b/rustfs/tests/connect_registration_bootstrap.rs
index 911f0a05e..7797b95d3 100644
--- a/rustfs/tests/connect_registration_bootstrap.rs
+++ b/rustfs/tests/connect_registration_bootstrap.rs
@@ -278,10 +278,11 @@ fn prepare_inputs(temp: &tempfile::TempDir, root_pem: &str) -> (std::path::PathB
 }
 
 fn secure_tempdir() -> tempfile::TempDir {
+    let home = std::path::PathBuf::from(std::env::var_os("HOME").expect("test requires a protected home directory"));
     tempfile::Builder::new()
         .prefix(".connect-registration-")
-        .tempdir_in(env!("CARGO_MANIFEST_DIR"))
-        .expect("temporary directory inside the protected checkout")
+        .tempdir_in(home)
+        .expect("temporary directory inside the protected home directory")
 }
 
 fn run_binary(endpoint: String, root: std::path::PathBuf, state: std::path::PathBuf, token: Vec<u8>) -> std::process::Output {