diff --git a/src/tokenization/claude-ipc.ts b/src/tokenization/claude-ipc.ts
index 9601ffd..98975c6 100644
--- a/src/tokenization/claude-ipc.ts
+++ b/src/tokenization/claude-ipc.ts
@@ -112,7 +112,8 @@ function onMessage(requestId: Buffer, tokens: Buffer) {
 async function launchTokenizer() {
   return new Promise<ChildProcess>((resolve, reject) => {
     let resolved = false;
-    const proc = spawn("python", [
+    const python = process.platform === "win32" ? "python" : "python3";
+    const proc = spawn(python, [
       "-u",
       join(__dirname, "tokenization", "claude-tokenizer.py"),
     ]);
@@ -125,6 +126,13 @@ async function launchTokenizer() {
     proc.stderr!.on("data", (data) => {
       pythonLog.error(data.toString());
     });
+    proc.on("error", (err) => {
+      pythonLog.error({ err }, "Claude tokenizer error");
+      if (!resolved) {
+        resolved = true;
+        reject(err);
+      }
+    }); 
     proc.on("close", (code) => {
       pythonLog.info(`Claude tokenizer exited with code ${code}`);
       socket?.close();
diff --git a/src/tokenization/claude-tokenizer.py b/src/tokenization/claude-tokenizer.py
index e09d472..06d7d66 100644
--- a/src/tokenization/claude-tokenizer.py
+++ b/src/tokenization/claude-tokenizer.py
@@ -19,8 +19,6 @@ def init(socket):
         while True:
             message = socket.recv_multipart()
             routing_id, command = message
-            print(f"claude-tokenizer.py: received message {message}")
-            print(f"claude-tokenizer.py: received command {command}")
             if command == b"init":
                 print("claude-tokenizer.py: initialized")
                 socket.send_multipart([routing_id, b"ok"])