diff --git a/lib/falcon/environment/lets_encrypt_tls.rb b/lib/falcon/environment/lets_encrypt_tls.rb
index d7a0152..f9d7123 100644
--- a/lib/falcon/environment/lets_encrypt_tls.rb
+++ b/lib/falcon/environment/lets_encrypt_tls.rb
@@ -10,6 +10,8 @@ module Falcon
 	module Environment
 		# Provides an environment that uses "Lets Encrypt" for TLS.
 		module LetsEncryptTLS
+			include TLS
+			
 			# The Lets Encrypt certificate store path.
 			# @parameter [String]
 			def lets_encrypt_root
diff --git a/lib/falcon/environment/tls.rb b/lib/falcon/environment/tls.rb
index b966901..4d9cce8 100644
--- a/lib/falcon/environment/tls.rb
+++ b/lib/falcon/environment/tls.rb
@@ -55,7 +55,7 @@ def ssl_private_key_path
 			# The private key.
 			# @returns [OpenSSL::PKey::RSA]
 			def ssl_private_key
-				OpenSSL::PKey::RSA.new(File.read(ssl_private_key_path))
+				OpenSSL::PKey.read(File.read(ssl_private_key_path))
 			end
 			
 			# The SSL context to use for incoming connections.