diff --git a/includes/Twitter/twitteroauth/OAuth.php b/includes/Twitter/twitteroauth/OAuth.php
index e763041..91a0237 100755
--- a/includes/Twitter/twitteroauth/OAuth.php
+++ b/includes/Twitter/twitteroauth/OAuth.php
@@ -3,8 +3,10 @@
 
 /* Generic exception class
  */
-class OAuthException extends Exception {
-  // pass
+if (!class_exists('OAuthException')) {
+	class OAuthException extends Exception {
+	  // pass
+	}
 }
 
 class OAuthConsumer {