diff --git a/Cargo.toml b/Cargo.toml
index c2e73ec..301c923 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ edition = "2021"
 license = "AGPL-3.0-only"
 
 [lib]
-crate-type = ["rlib", "staticlib"]
+crate-type = ["rlib", "staticlib", "cdylib"]
 
 [profile.release]
 lto = true
diff --git a/README.md b/README.md
index 3c35592..0341f16 100644
--- a/README.md
+++ b/README.md
@@ -15,10 +15,10 @@ symbols in full-text search.
 # Extension Build/Usage Example
 
 ```sh
-cargo rustc --features extension -- --crate-type=cdylib
+cargo build --features extension --release
 ```
 
-Load extension from `./target/release/libsignal_tokenizer.dylib`.
+Load extension from `./target/release/libsignal_tokenizer`.
 
 ```sql
 CREATE VIRTUAL TABLE
@@ -39,4 +39,3 @@ cbindgen --profile release . -o target/release/fts5-tokenizer.h
 Copyright 2023 Signal Messenger, LLC.
 
 Licensed under the AGPLv3: http://www.gnu.org/licenses/agpl-3.0.html
-
diff --git a/src/extension.rs b/src/extension.rs
index 27192da..ce2fcde 100644
--- a/src/extension.rs
+++ b/src/extension.rs
@@ -298,7 +298,7 @@ pub struct Sqlite3APIRoutines {
 }
 
 #[no_mangle]
-pub extern "C" fn signal_fts5_tokenizer_init(
+pub extern "C" fn sqlite3_signaltokenizer_init(
     db: *mut Sqlite3,
     _pz_err_msg: *mut *mut c_uchar,
     p_api: *const c_void,