diff --git a/lib/jwt/jwa.rb b/lib/jwt/jwa.rb
index 8d515d26..8a975824 100644
--- a/lib/jwt/jwa.rb
+++ b/lib/jwt/jwa.rb
@@ -9,9 +9,7 @@
 end
 
 require_relative 'jwa/signing_algorithm'
-
 require_relative 'jwa/ecdsa'
-require_relative 'jwa/eddsa'
 require_relative 'jwa/hmac'
 require_relative 'jwa/none'
 require_relative 'jwa/ps'
@@ -19,6 +17,10 @@
 require_relative 'jwa/unsupported'
 require_relative 'jwa/wrapper'
 
+if JWT.rbnacl?
+  require_relative 'jwa/eddsa'
+end
+
 if JWT.rbnacl_6_or_greater?
   require_relative 'jwa/hmac_rbnacl'
 elsif JWT.rbnacl?