diff --git a/boto/ec2/elb/__init__.py b/boto/ec2/elb/__init__.py
index 26c7373ff7..5d100224be 100644
--- a/boto/ec2/elb/__init__.py
+++ b/boto/ec2/elb/__init__.py
@@ -346,7 +346,7 @@ def set_lb_listener_SSL_certificate(self, lb_name, lb_port, ssl_certificate_id):
         """
         params = {
                     'LoadBalancerName'          :   lb_name,
-                    'LoadBalaancerPort'         :   lb_port,
+                    'LoadBalancerPort'          :   lb_port,
                     'SSLCertificateId'          :   ssl_certificate_id,
                  }
         return self.get_status('SetLoadBalancerListenerSSLCertificate', params)