diff --git a/package.json b/package.json
index 95703c8d..eb431991 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "@types/ip6addr": "0.2.6",
     "@types/jest": "29.5.14",
     "@types/netmask": "2.0.5",
-    "@types/node": "22.10.3",
+    "@types/node": "22.14.0",
     "@types/sinon": "17.0.4",
     "ip-address": "10.0.1",
     "ip6addr": "0.2.5",
diff --git a/src/index.test.ts b/src/index.test.ts
index d871b004..95069c95 100644
--- a/src/index.test.ts
+++ b/src/index.test.ts
@@ -114,7 +114,7 @@ describe('index', () => {
     // it('should check for an error when cannot read database on update', async () => {
     //   var counter = 0;
     //   var cb = function(err, reader) {
-    //     // Indeed couter is kinda gross.
+    //     // Indeed counter is kinda gross.
     //     switch (counter++) {
     //       case 0:
     //         assert.strictEqual(err, null);
diff --git a/src/index.ts b/src/index.ts
index cbccf9e2..7f3e185e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -41,9 +41,15 @@ const readLargeFile = async (filepath: string, size: number): Promise<Buffer> =>
       highWaterMark: STREAM_WATERMARK,
     });
 
-    stream.on('data', (chunk: Buffer) => {
-      chunk.copy(buffer, offset);
-      offset += chunk.length;
+    stream.on('data', (chunk: string | Buffer) => {
+      if (Buffer.isBuffer(chunk)) {
+        chunk.copy(buffer, offset);
+        offset += chunk.length;
+      } else {
+        const bufferChunk = Buffer.from(chunk);
+        bufferChunk.copy(buffer, offset);
+        offset += bufferChunk.length;
+      }
     });
 
     stream.on('end', () => {