diff --git a/src/install.rs b/src/install.rs
index d26e4ee..47a1d17 100644
--- a/src/install.rs
+++ b/src/install.rs
@@ -214,7 +214,11 @@ impl InstallationState {
                 lsblk::BlockDevice::list()?
                     .into_iter()
                     .find(|d| d.is_part()
-                        && d.disk_name().ok().as_deref() == blockdev.to_str()
+                        && d.disk_name().ok().as_deref()
+                            == blockdev
+                                .strip_prefix("/dev/")
+                                .unwrap_or(&PathBuf::from(""))
+                                .to_str()
                         && d.name.ends_with('2'))
                     .ok_or_else(|| eyre!("Failed to find submarine partition"))?
                     .name
@@ -357,7 +361,7 @@ impl InstallationType {
             .args([
                 "add",
                 "-i",
-                "1",
+                "2",
                 "-t",
                 "kernel",
                 "-P",