diff --git a/klippy/extras/request_url.py b/klippy/extras/request_url.py
index 4855464627a5..395bdcf9798c 100644
--- a/klippy/extras/request_url.py
+++ b/klippy/extras/request_url.py
@@ -125,6 +125,9 @@ def cmd_HTTP_REQUEST(self, gcmd):
         self.method = gcmd.get("METHOD", self.method)
         self.url = gcmd.get("URL", self.url)
         self.body = gcmd.get("BODY", self.body)
+        gcode_script = gcmd.get("GCODE", None)
+        if gcode_script is not None:
+            self.body = '{"script": "%s"}' % gcode_script
         self.headers = gcmd.get("HEADERS", self.headers)
         self.repeat = gcmd.get_float('REPEAT', self.repeat)
         self.isloginfo = gcmd.get_int('LOG', self.isloginfo)