diff --git a/rust/ruby-prism-sys/build/vendored.rs b/rust/ruby-prism-sys/build/vendored.rs
index 122fd3e265c..670df42d50a 100644
--- a/rust/ruby-prism-sys/build/vendored.rs
+++ b/rust/ruby-prism-sys/build/vendored.rs
@@ -74,6 +74,11 @@ fn version() -> &'static str {
     env!("CARGO_PKG_VERSION")
 }
 
+/// Generated by running the following command:
+///
+/// ```sh
+/// bundle exec rake cargo:build
+/// ```
 fn vendor_dir() -> PathBuf {
     let prism_dir = format!("prism-{}", version());
     Path::new(env!("CARGO_MANIFEST_DIR")).join("vendor").join(prism_dir)
diff --git a/rust/ruby-prism/build.rs b/rust/ruby-prism/build.rs
index f1f1cb696dc..c8618815c51 100644
--- a/rust/ruby-prism/build.rs
+++ b/rust/ruby-prism/build.rs
@@ -304,8 +304,12 @@ fn write_node(file: &mut File, flags: &[Flags], node: &Node) -> Result<(), Box<d
                 writeln!(file, "    }}")?;
             },
             NodeFieldType::String => {
-                writeln!(file, "    pub const fn {}(&self) -> &str {{", field.name)?;
-                writeln!(file, "        \"\"")?;
+                writeln!(file, "    pub fn {}(&self) -> &[u8] {{", field.name)?;
+                writeln!(file, "        unsafe {{")?;
+                writeln!(file, "            let source = (*self.pointer).{}.source;", field.name)?;
+                writeln!(file, "            let length = (*self.pointer).{}.length;", field.name)?;
+                writeln!(file, "            std::slice::from_raw_parts(source, length)")?;
+                writeln!(file, "        }}")?;
                 writeln!(file, "    }}")?;
             },
             NodeFieldType::Constant => {