diff --git a/GeoHealthCheck/plugins/probe/http.py b/GeoHealthCheck/plugins/probe/http.py
index 0687eb0a..564ac875 100644
--- a/GeoHealthCheck/plugins/probe/http.py
+++ b/GeoHealthCheck/plugins/probe/http.py
@@ -88,6 +88,7 @@ def get_request_headers(self):
         # request_headers =
         #       self.REQUEST_HEADERS['content-type'].format(**content_type)
         # Hmm seems simpler
-        headers = Probe.get_request_headers(self)
-        return headers.update(
-            {'Content-Type': self._parameters['content_type']})
+        # headers = Probe.get_request_headers(self)
+        # return headers.update(
+        #    {'Content-Type': self._parameters['content_type']})
+        return {'content-type': self._parameters['content_type']}