diff --git a/codchi/src/platform/cmd/linux.rs b/codchi/src/platform/cmd/linux.rs
index b3c3248..aba1c5f 100644
--- a/codchi/src/platform/cmd/linux.rs
+++ b/codchi/src/platform/cmd/linux.rs
@@ -32,6 +32,19 @@ pub trait LinuxCommandTarget {
         }
     }
 
+    fn raw(&self, program: &str, args: &[&str]) -> LinuxCommandBuilder {
+        LinuxCommandBuilder {
+            driver: self.get_driver(),
+            program: Program::Raw {
+                program: program.to_string(),
+                args: args.iter().map(|arg| arg.to_string()).collect(),
+            },
+            user: None,
+            cwd: None,
+            env: HashMap::new(), // output: Output::Collect,
+        }
+    }
+
     fn script(&self, script: String) -> LinuxCommandBuilder {
         LinuxCommandBuilder {
             driver: self.get_driver(),
@@ -66,6 +79,7 @@ pub struct LinuxCommandBuilder {
 #[derive(Debug, Clone)]
 pub enum Program {
     Run { program: String, args: Vec<String> },
+    Raw { program: String, args: Vec<String> },
     Script(String),
 }
 
@@ -107,6 +121,12 @@ impl From<LinuxCommandBuilder> for Command {
                 cmd.arg("runin");
                 cmd.stdin(Stdio::piped());
             }
+            Program::Raw { program, args } => {
+                cmd.arg(program);
+                for arg in args.iter() {
+                    cmd.arg(arg);
+                }
+            }
         };
         cmd
     }
diff --git a/codchi/src/platform/machine.rs b/codchi/src/platform/machine.rs
index 6f161be..11cd5ee 100644
--- a/codchi/src/platform/machine.rs
+++ b/codchi/src/platform/machine.rs
@@ -401,17 +401,17 @@ git add flake.*
         set_progress_status(format!("Starting {}...", self.config.name));
         self.start()?;
 
-        let cmd = match cmd.split_first() {
-            Some((cmd, args)) => self
-                .cmd()
-                .run(cmd, &args.iter().map(|str| str.as_str()).collect_vec()),
-            None => self.cmd().run("bash", &["-l"]),
-        };
+        let args = [
+            vec![consts::user::DEFAULT_NAME],
+            cmd.iter().map(|str| str.as_str()).collect_vec(),
+        ]
+        .concat();
+        let cmd = self.cmd().raw("su", &args);
 
         hide_progress();
 
         cmd.with_cwd(consts::user::DEFAULT_HOME.clone())
-            .with_user(LinuxUser::Default)
+            .with_user(LinuxUser::Root)
             .exec()?;
         Ok(())
     }
diff --git a/tests/windows.ps1 b/tests/windows.ps1
index 8382440..b57ff28 100644
--- a/tests/windows.ps1
+++ b/tests/windows.ps1
@@ -16,6 +16,6 @@ Describe "codchi.msix" {
        { codchi.exe -vv clone codchi https://github.com/aformatik/codchi nixosModules.codchi } | Should -Not -Throw 
    }
    It "builds codchi inside codchi" {
-       { codchi.exe exec -vv codchi bash -lc 'cd codchi/codchi && direnv allow && cargo run -- --version' } | Should -Not -Throw
+       { codchi.exe exec -vv codchi bash -lc 'cd codchi/codchi && nix develop -c cargo run -- --version' } | Should -Not -Throw
    }
 }