diff --git a/deps/binding.gyp b/deps/binding.gyp
index 06bb045..37361e2 100644
--- a/deps/binding.gyp
+++ b/deps/binding.gyp
@@ -211,6 +211,7 @@
                             "opus/celt/arm/armcpu.c",
                             "opus/celt/arm/celt_neon_intr.c",
                             "opus/celt/arm/pitch_neon_intr.c",
+                            "opus/silk/arm/LPC_inv_pred_gain_neon_intr.c",
                         ],
                         "include_dirs": [
                             "opus",
diff --git a/package.json b/package.json
index b40e71a..5bfe5dd 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,8 @@
 		"install": "node-pre-gyp install --fallback-to-build",
 		"build": "node-pre-gyp install build package",
 		"lint": "prettier --check . && eslint lib --format=pretty",
-		"lint:fix": "prettier --write . && eslint lib --fix --format=pretty"
+		"lint:fix": "prettier --write . && eslint lib --fix --format=pretty",
+		"test": "node tests/test.js"
 	},
 	"keywords": [
 		"native",
diff --git a/tests/frame.opus b/tests/frame.opus
new file mode 100644
index 0000000..91961dc
Binary files /dev/null and b/tests/frame.opus differ
diff --git a/tests/test.js b/tests/test.js
new file mode 100644
index 0000000..a870464
--- /dev/null
+++ b/tests/test.js
@@ -0,0 +1,13 @@
+const assert = require('node:assert');
+const fs = require('node:fs');
+const path = require('node:path');
+const { OpusEncoder } = require('../lib/index.js');
+
+const opus = new OpusEncoder(16_000, 1);
+
+const frame = fs.readFileSync(path.join(__dirname, 'frame.opus'));
+
+const decoded = opus.decode(frame);
+
+assert(decoded.length === 640, 'Decoded frame length is not 640');
+console.log('Passed');