diff --git a/src/bin/installer.rs b/src/bin/installer.rs
index 0b6190e5fd..49edfc40bc 100644
--- a/src/bin/installer.rs
+++ b/src/bin/installer.rs
@@ -19,6 +19,7 @@ fn main() {
         .add_opt("b", "cookbook")
         .add_opt("c", "config")
         .add_opt("o", "output-config")
+        .add_opt("", "write-bootloader")
         .add_flag(&["filesystem-size"])
         .add_flag(&["r", "repo-binary"])
         .add_flag(&["l", "list-packages"])
@@ -143,9 +144,13 @@ fn main() {
         };
 
         if let Some(path) = parser.args.get(0) {
-            if let Err(err) =
-                redox_installer::install(config, path, cookbook.as_deref(), parser.found("live"))
-            {
+            if let Err(err) = redox_installer::install(
+                config,
+                path,
+                cookbook.as_deref(),
+                parser.found("live"),
+                parser.get_opt("write-bootloader").as_deref(),
+            ) {
                 writeln!(stderr, "installer: failed to install: {}", err).unwrap();
                 process::exit(1);
             }
diff --git a/src/bin/installer_tui.rs b/src/bin/installer_tui.rs
index ebe304b191..554b644973 100644
--- a/src/bin/installer_tui.rs
+++ b/src/bin/installer_tui.rs
@@ -59,7 +59,11 @@ fn disk_paths(paths: &mut Vec<(PathBuf, u64)>) {
                     }
                 }
                 Err(err) => {
-                    eprintln!("installer_tui: failed to list '{}': {}", scheme.display(), err);
+                    eprintln!(
+                        "installer_tui: failed to list '{}': {}",
+                        scheme.display(),
+                        err
+                    );
                 }
             }
         }
@@ -208,7 +212,12 @@ fn choose_disk() -> PathBuf {
     disk_paths(&mut paths);
     loop {
         for (i, (path, size)) in paths.iter().enumerate() {
-            eprintln!("\x1B[1m{}\x1B[0m: {}: {}", i + 1, path.display(), format_size(*size));
+            eprintln!(
+                "\x1B[1m{}\x1B[0m: {}: {}",
+                i + 1,
+                path.display(),
+                format_size(*size)
+            );
         }
 
         if paths.is_empty() {
diff --git a/src/lib.rs b/src/lib.rs
index 0145225d6b..362867dac0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -712,13 +712,22 @@ where
     with_redoxfs(disk_redoxfs, disk_option.password_opt, callback)
 }
 
-fn install_inner(config: Config, output: &Path, cookbook: Option<&str>, live: bool) -> Result<()> {
+fn install_inner(
+    config: Config,
+    output: &Path,
+    cookbook: Option<&str>,
+    live: bool,
+    write_bootloader: Option<&str>,
+) -> Result<()> {
     println!("Install {config:#?} to {}", output.display());
 
     if output.is_dir() {
         install_dir(config, output, cookbook)
     } else {
         let (bootloader_bios, bootloader_efi) = fetch_bootloaders(&config, cookbook, live)?;
+        if let Some(write_bootloader) = write_bootloader {
+            std::fs::write(write_bootloader, &bootloader_efi).unwrap();
+        }
         let disk_option = DiskOption {
             bootloader_bios: &bootloader_bios,
             bootloader_efi: &bootloader_efi,
@@ -736,6 +745,7 @@ pub fn install(
     output: impl AsRef<Path>,
     cookbook: Option<&str>,
     live: bool,
+    write_bootloader: Option<&str>,
 ) -> Result<()> {
-    install_inner(config, output.as_ref(), cookbook, live)
+    install_inner(config, output.as_ref(), cookbook, live, write_bootloader)
 }