diff --git a/lib/client.js b/lib/client.js
index 6479c37..059cb2a 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -42,8 +42,7 @@ BaseClient.prototype.request = function(options, data, fn) {
 		headers: {
 			authorization: this.authHeader,
 			"content-type": "application/json",
-			"user-agent": userAgent,
-			"content-length": typeof data === "string" ? data.length : 0
+			"user-agent": userAgent
 		},
 		agent: (this.proxy) ? new HttpsProxyAgent(this.proxy) : null
 	}, options);