diff --git a/modules/openapi-generator/src/main/resources/ruby-client/api_client_faraday_partial.mustache b/modules/openapi-generator/src/main/resources/ruby-client/api_client_faraday_partial.mustache
index be5e26dcd66..8327a3492fa 100644
--- a/modules/openapi-generator/src/main/resources/ruby-client/api_client_faraday_partial.mustache
+++ b/modules/openapi-generator/src/main/resources/ruby-client/api_client_faraday_partial.mustache
@@ -13,7 +13,7 @@
         end
 
         unless response.success?
-          if response.status == 0
+          if response.status == 0 && response.respond_to?(:return_message)
             # Errors from libcurl will be made visible here
             fail ApiError.new(code: 0,
                               message: response.return_message)
diff --git a/samples/client/petstore/ruby-faraday/lib/petstore/api_client.rb b/samples/client/petstore/ruby-faraday/lib/petstore/api_client.rb
index 5a52719c53b..8f0d3598b45 100644
--- a/samples/client/petstore/ruby-faraday/lib/petstore/api_client.rb
+++ b/samples/client/petstore/ruby-faraday/lib/petstore/api_client.rb
@@ -58,7 +58,7 @@ module Petstore
         end
 
         unless response.success?
-          if response.status == 0
+          if response.status == 0 && response.respond_to?(:return_message)
             # Errors from libcurl will be made visible here
             fail ApiError.new(code: 0,
                               message: response.return_message)