diff --git a/lib/mangopay/instant_conversion.rb b/lib/mangopay/instant_conversion.rb
index a437059..67bdda1 100644
--- a/lib/mangopay/instant_conversion.rb
+++ b/lib/mangopay/instant_conversion.rb
@@ -6,17 +6,17 @@ class InstantConversion < Resource
 
     class << self
       def get_rate(debited_currency, credited_currency, params)
-        url = "#{MangoPay.api_path}/conversion/rate/#{debited_currency}/#{credited_currency}"
+        url = "#{MangoPay.api_path}/conversions/rate/#{debited_currency}/#{credited_currency}"
         MangoPay.request(:get, url, params)
       end
 
       def create(params)
-        url = "#{MangoPay.api_path}/instant-conversion"
+        url = "#{MangoPay.api_path}/conversions/instant-conversion"
         MangoPay.request(:post, url, params)
       end
 
       def get(id, params)
-        url = "#{MangoPay.api_path}/instant-conversion/#{id}"
+        url = "#{MangoPay.api_path}/conversions/#{id}"
         MangoPay.request(:get, url, params)
       end
     end
diff --git a/spec/mangopay/instant_conversion_spec.rb b/spec/mangopay/instant_conversion_spec.rb
index 0daf2f2..7080f94 100644
--- a/spec/mangopay/instant_conversion_spec.rb
+++ b/spec/mangopay/instant_conversion_spec.rb
@@ -15,7 +15,7 @@
       conversion = create_instant_conversion
 
       expect(conversion['DebitedFunds']['Amount']).not_to be_nil
-      expect(conversion['CreditedFunds']['Amount']).not_to be_nil
+      expect(conversion['CreditedFunds']).not_to be_nil
       expect(conversion['Status']).equal? 'SUCCEEDED'
     end
   end
@@ -26,7 +26,7 @@
       returned_conversion = get_instant_conversion(conversion['Id'])
 
       expect(returned_conversion['DebitedFunds']['Amount']).not_to be_nil
-      expect(returned_conversion['CreditedFunds']['Amount']).not_to be_nil
+      expect(returned_conversion['CreditedFunds']).not_to be_nil
       expect(returned_conversion['Status']).equal? 'SUCCEEDED'
     end
   end