diff --git a/main/mashape/http/HttpClient.php b/main/mashape/http/HttpClient.php
index bc10265..89fb7de 100755
--- a/main/mashape/http/HttpClient.php
+++ b/main/mashape/http/HttpClient.php
@@ -64,7 +64,7 @@ class HttpClient {
 			throw new MashapeClientException(EXCEPTION_NOTSUPPORTED_HTTPMETHOD, 
 				EXCEPTION_NOTSUPPORTED_HTTPMETHOD_CODE);
 		}
-		if ($contentType == ContentType::JSON && is_array($parameters)) {
+		if ($contentType == ContentType::JSON) {
 			// Content type JSON does not allow array parameters.
 			throw new MashapeClientException(
 				EXCEPTION_CONTENT_TYPE_JSON_ARRAY,