diff --git a/system/HTTP/IncomingRequest.php b/system/HTTP/IncomingRequest.php
index ea5b968a6f79..071b18e97d00 100755
--- a/system/HTTP/IncomingRequest.php
+++ b/system/HTTP/IncomingRequest.php
@@ -520,7 +520,7 @@ public function getVar($index = null, $filter = null, $flags = null)
      */
     public function getJSON(bool $assoc = false, int $depth = 512, int $options = 0)
     {
-        return json_decode($this->body, $assoc, $depth, $options);
+        return json_decode($this->body ?? '', $assoc, $depth, $options);
     }
 
     /**