diff --git a/lib/avatax/configuration.rb b/lib/avatax/configuration.rb
index <HASH>..<HASH> 100644
--- a/lib/avatax/configuration.rb
+++ b/lib/avatax/configuration.rb
@@ -31,7 +31,7 @@ module AvaTax
     DEFAULT_LOGGER = false
     DEFAULT_PROXY = nil
     DEFAULT_FARADAY_RESPONSE = false
-    DEFAULT_RESPONSE_BIG_DECIMAL_CONVERSION = true
+    DEFAULT_RESPONSE_BIG_DECIMAL_CONVERSION = false
 
     attr_accessor *VALID_OPTIONS_KEYS
very little use case for big_decimal, change default to false