diff --git a/CHANGELOG.md b/CHANGELOG.md
index 51961c8c..b83787c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 11.6.1
+ - Fixed issue where exceptions logged by the Manticore adapter could be passed both a `message` and a context map including a `message`, resulting in log events that could not be reasonably be parsed when formatted with Log4j2's JSONLayout
+
 ## 11.6.0
  - Added support for `ca_trusted_fingerprint` when run on Logstash 8.3+ [#1074](https://github.com/logstash-plugins/logstash-output-elasticsearch/pull/1074)
 
diff --git a/lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb b/lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb
index ba128007..2c2b8e1f 100644
--- a/lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb
+++ b/lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb
@@ -88,7 +88,7 @@ def perform_request(url, method, path, params={}, body=nil)
     end
 
     def log_request_error(e)
-      details = { message: e.message, exception: e.class }
+      details = { exception: e.class }
       details[:cause] = e.cause if e.respond_to?(:cause)
       details[:backtrace] = e.backtrace if @logger.debug?
 
@@ -101,7 +101,7 @@ def log_request_error(e)
         :info
       end
 
-      @logger.send level, "Failed to perform request", details
+      @logger.send level, "Failed to perform request: #{e.message}", details
       log_java_exception(details[:cause], :debug) if details[:cause] && @logger.debug?
     end
 
diff --git a/logstash-output-elasticsearch.gemspec b/logstash-output-elasticsearch.gemspec
index 92813f5d..745548c5 100644
--- a/logstash-output-elasticsearch.gemspec
+++ b/logstash-output-elasticsearch.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name            = 'logstash-output-elasticsearch'
-  s.version         = '11.6.0'
+  s.version         = '11.6.1'
   s.licenses        = ['apache-2.0']
   s.summary         = "Stores logs in Elasticsearch"
   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"