diff --git a/crates/nit/src/main.rs b/crates/nit/src/main.rs
index 389710b..c282fef 100644
--- a/crates/nit/src/main.rs
+++ b/crates/nit/src/main.rs
@@ -9,7 +9,7 @@ use system::dmesg;
 fn main() {
     if let Err(e) = init() {
         dmesg(format!("Error: {e}"));
-        let mut opt = Some(&e as &dyn std::error::Error);
+        let mut opt = std::error::Error::source(&e);
         while let Some(current_source) = opt {
             dmesg(format!("Caused by: {current_source}"));
             opt = current_source.source();
@@ -28,7 +28,7 @@ fn init() -> Result<()> {
     if let Err(errors) = system::mount_default_targets() {
         for error in errors {
             dmesg(format!("Error while mounting: {error}"));
-            let mut opt = Some(&error as &dyn std::error::Error);
+            let mut opt = std::error::Error::source(&error);
             while let Some(current_source) = opt {
                 dmesg(format!("Caused by: {current_source}"));
                 opt = current_source.source();
@@ -65,7 +65,7 @@ fn init() -> Result<()> {
             */
         }
         config::Mode::Exec => {
-            dmesg("pivoting to {command}");
+            dmesg(format!("pivoting to {command}"));
             system::syscall::execv(command, &[])?;
         }
     }