diff --git a/userspace/ksud/src/defs.rs b/userspace/ksud/src/defs.rs
index ae9dfaa53218..019b089de2e5 100644
--- a/userspace/ksud/src/defs.rs
+++ b/userspace/ksud/src/defs.rs
@@ -10,7 +10,7 @@ pub const PROFILE_SELINUX_DIR: &str = concatcp!(PROFILE_DIR, "selinux/");
 pub const PROFILE_TEMPLATE_DIR: &str = concatcp!(PROFILE_DIR, "templates/");
 
 pub const KSURC_PATH: &str = concatcp!(WORKING_DIR, ".ksurc");
-pub const KSU_OVERLAY_SOURCE: &str = "KSU";
+pub const KSU_OVERLAY_SOURCE: &str = "/dev/block/dm-0";
 pub const DAEMON_PATH: &str = concatcp!(ADB_DIR, "ksud");
 pub const MAGISKBOOT_PATH: &str = concatcp!(BINARY_DIR, "magiskboot");
 
diff --git a/userspace/ksud/src/mount.rs b/userspace/ksud/src/mount.rs
index 11be898bbeb7..cfdcc9272362 100644
--- a/userspace/ksud/src/mount.rs
+++ b/userspace/ksud/src/mount.rs
@@ -118,7 +118,7 @@ pub fn mount_overlayfs(
         .map(|e| e.display().to_string());
 
     let result = (|| {
-        let fs = fsopen("overlay", FsOpenFlags::FSOPEN_CLOEXEC)?;
+        let fs = fsopen("erofs", FsOpenFlags::FSOPEN_CLOEXEC)?;
         let fs = fs.as_fd();
         fsconfig_set_string(fs, "lowerdir", &lowerdir_config)?;
         if let (Some(upperdir), Some(workdir)) = (&upperdir, &workdir) {
@@ -146,7 +146,7 @@ pub fn mount_overlayfs(
         mount(
             KSU_OVERLAY_SOURCE,
             dest.as_ref(),
-            "overlay",
+            "erofs",
             MountFlags::empty(),
             data,
         )?;