diff --git a/src/commands/init.rs b/src/commands/init.rs
index 34406d6..d4ad01e 100644
--- a/src/commands/init.rs
+++ b/src/commands/init.rs
@@ -302,7 +302,7 @@ pub async fn run(cmd: &mut InitArgs) -> Result<bool> {
     };
 
     // Write the manifest to `typst.toml`.
-    write_manifest(&manif)?;
+    write_manifest(&manifest, &manif)?;
 
     utpm_log!(info, "File created to {typ}");
     Ok(true)
diff --git a/src/main.rs b/src/main.rs
index 3f86149..24e9189 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,5 @@
+use std::process::ExitCode;
+
 use anyhow::Result;
 use clap::Parser;
 use tracing::{error, instrument, level_filters::LevelFilter};
@@ -20,7 +22,7 @@ use utpm::{
 /// sets up logging, and dispatches to the appropriate command handler.
 #[instrument]
 #[tokio::main]
-async fn main() {
+async fn main() -> ExitCode {
     // Parse command-line arguments.
     ARGS.set(Cli::parse()).expect("ARGS should still be empty");
     let x = get_args();
@@ -86,6 +88,9 @@ async fn main() {
             Ok(_) => (),
             Err(err2) => error!("{err2}"), // If utpm_log errors, it will fallback to that
         };
+        ExitCode::FAILURE
+    } else {
+        ExitCode::SUCCESS
     }
 }
 
diff --git a/src/utils.rs b/src/utils.rs
index 3b6411e..2121993 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -115,21 +115,22 @@ pub fn regex_import() -> Regex {
         .unwrap()
 }
 
-/// Writes a `PackageManifest` to `./typst.toml` in pretty TOML format.
+/// Writes a `PackageManifest` to the given path in pretty TOML format.
 ///
 /// Respects dry-run mode - if dry-run is enabled, the file is not actually written.
 ///
 /// # Arguments
+/// * `path` - The path of the manifest file to write
 /// * `data` - The package manifest to write
 ///
 /// # Errors
 /// Returns an error if:
 /// - The manifest cannot be serialized to TOML
 /// - The file cannot be written (if not in dry-run mode)
-pub fn write_manifest(data: &PackageManifest) -> Result<()> {
+pub fn write_manifest(path: impl AsRef<Path>, data: &PackageManifest) -> Result<()> {
     let tomlfy: String = toml::to_string_pretty(data)?;
     if !crate::utils::dryrun::get_dry_run() {
-        std::fs::write(Path::new("./typst.toml"), tomlfy)?;
+        std::fs::write(path, tomlfy)?;
     }
     Ok(())
 }
diff --git a/tests/e2e/harness.rs b/tests/e2e/harness.rs
index 67c4b92..811ad8e 100644
--- a/tests/e2e/harness.rs
+++ b/tests/e2e/harness.rs
@@ -98,6 +98,14 @@ impl Sandbox {
     pub fn utpm(&self, args: &[&str]) -> Run {
         Run::new(self.cmd(args))
     }
+
+    /// Runs `utpm` like [`Sandbox::utpm`], after letting `cb` adjust the command, e.g. to set
+    /// environment variables.
+    pub fn utpm_with(&self, args: &[&str], cb: impl FnOnce(&mut Command)) -> Run {
+        let mut cmd = self.cmd(args);
+        cb(&mut cmd);
+        Run::new(cmd)
+    }
 }
 
 /// The captured result of one `utpm` invocation.
@@ -138,6 +146,18 @@ impl Run {
         self
     }
 
+    /// Asserts that the process exited with a failure status.
+    #[track_caller]
+    pub fn failure(&self) -> &Self {
+        assert!(
+            !self.output.status.success(),
+            "`utpm {}` unexpectedly succeeded\n{}",
+            self.args,
+            self.dump(),
+        );
+        self
+    }
+
     fn dump(&self) -> String {
         format!(
             "--- stdout\n{}\n--- stderr\n{}",
diff --git a/tests/e2e/init.rs b/tests/e2e/init.rs
index 478ec89..9768650 100644
--- a/tests/e2e/init.rs
+++ b/tests/e2e/init.rs
@@ -53,3 +53,17 @@ fn init_force_overwrites_existing_manifest() {
 
     assert_eq!(read_manifest(&sb).package.name, "my-pkg");
 }
+
+#[test]
+fn init_writes_manifest_to_utpm_current_dir() {
+    let sb = Sandbox::new();
+    let target = sb.project().join("sub");
+    std::fs::create_dir(&target).unwrap();
+
+    sb.utpm_with(&["prj", "init", "--cli", "--name", "my-pkg"], |cmd| {
+        cmd.env("UTPM_CURRENT_DIR", &target);
+    })
+    .success();
+
+    assert_eq!(files_in(sb.project()), ["sub/typst.toml"]);
+}
diff --git a/tests/e2e/link.rs b/tests/e2e/link.rs
index b6690e9..13a1c6e 100644
--- a/tests/e2e/link.rs
+++ b/tests/e2e/link.rs
@@ -49,7 +49,7 @@ fn link_without_force_keeps_existing_package() {
     sb.utpm(&["prj", "link"]).success();
 
     sb.write("main.typ", "new");
-    sb.utpm(&["prj", "link"]);
+    sb.utpm(&["prj", "link"]).failure();
 
     let linked = sb.packages().join("local/my-pkg/0.1.0");
     assert_eq!(
@@ -100,3 +100,13 @@ fn link_dry_run_writes_nothing() {
 
     assert!(files_in(sb.packages()).is_empty());
 }
+
+#[test]
+fn link_without_manifest_fails() {
+    let sb = Sandbox::new();
+    sb.write("main.typ", "");
+
+    sb.utpm(&["prj", "link"]).failure();
+
+    assert!(files_in(sb.packages()).is_empty());
+}