diff --git a/src/AbstractLogglyLogger.php b/src/AbstractLogglyLogger.php
index e2f4c0a..4f75d6e 100644
--- a/src/AbstractLogglyLogger.php
+++ b/src/AbstractLogglyLogger.php
@@ -46,8 +46,7 @@ protected function format($level, $message, array $context): string
         $message = $this->processPlaceHolders($message, $context);
         $json = json_encode([
             'level'   => $level,
-            'message' => $message,
-            'level_message' => $level . ' ' . $message,
+            'message' => $level . ' ' . $message,
             'context' => $context,
         ]);
 
diff --git a/tests/LogglyBulkLoggerTest.php b/tests/LogglyBulkLoggerTest.php
index 691f372..3eb31b1 100644
--- a/tests/LogglyBulkLoggerTest.php
+++ b/tests/LogglyBulkLoggerTest.php
@@ -33,7 +33,7 @@ public function getLogger()
         $request = $this->prophesize(Request::class);
         $request->end(Argument::that(function ($data) {
             $json = json_decode($data, true);
-            $this->logs[] = $json['level_message'];
+            $this->logs[] = $json['message'];
             return true;
         }))->shouldBeCalled();
 
diff --git a/tests/LogglyLoggerTest.php b/tests/LogglyLoggerTest.php
index e57fd68..1ab361d 100644
--- a/tests/LogglyLoggerTest.php
+++ b/tests/LogglyLoggerTest.php
@@ -23,7 +23,7 @@ public function getLogger()
         $request = $this->prophesize(Request::class);
         $request->end(Argument::that(function ($data) {
             $json = json_decode($data, true);
-            $this->logs[] = $json['level_message'];
+            $this->logs[] = $json['message'];
             return true;
         }))->shouldBeCalled();