diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ad1b8a..9e69a7f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 3.2.2
+  - Fix: updated the way to check if the `decode_size_limit_bytes` has been explicitly customised. [#47](https://github.com/logstash-plugins/logstash-codec-json_lines/pull/47)
+
 ## 3.2.1
   - Raise the default value of `decode_size_limit_bytes` up to 512 MB. [#46](https://github.com/logstash-plugins/logstash-codec-json_lines/pull/46)
 
diff --git a/lib/logstash/codecs/json_lines.rb b/lib/logstash/codecs/json_lines.rb
index ef63afc..c0a9795 100644
--- a/lib/logstash/codecs/json_lines.rb
+++ b/lib/logstash/codecs/json_lines.rb
@@ -57,7 +57,7 @@ class LogStash::Codecs::JSONLines < LogStash::Codecs::Base
   public
 
   def register
-    if decode_size_limit_bytes == DEFAULT_DECODE_SIZE_LIMIT_BYTES
+    if original_params['decode_size_limit_bytes'].nil?
       deprecation_logger.deprecated "The default value for `decode_size_limit_bytes`, currently at 512Mb, will be lowered in a future version to prevent Out of Memory errors from abnormally large messages or missing delimiters. Please set a value that reflects the largest expected message size (e.g. 20971520 for 20Mb)"
     end
     @buffer = FileWatch::BufferedTokenizer.new(@delimiter, @decode_size_limit_bytes)
diff --git a/logstash-codec-json_lines.gemspec b/logstash-codec-json_lines.gemspec
index 9d73ce7..00a5a38 100644
--- a/logstash-codec-json_lines.gemspec
+++ b/logstash-codec-json_lines.gemspec
@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
 
   s.name            = 'logstash-codec-json_lines'
-  s.version         = '3.2.1'
+  s.version         = '3.2.2'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = "Reads and writes newline-delimited JSON"
   s.description     = "This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program"