diff --git a/gns3server/web/response.py b/gns3server/web/response.py
index 9ae3c1a6..9241d0c9 100644
--- a/gns3server/web/response.py
+++ b/gns3server/web/response.py
@@ -62,8 +62,6 @@ class Response(aiohttp.web.Response):
             try:
                 jsonschema.validate(answer, self._output_schema)
             except jsonschema.ValidationError as e:
-                log.error("Invalid output schema {} '{}' in schema: {}".format(e.validator,
-                                                                               e.validator_value,
-                                                                               json.dumps(e.schema)))
+                log.error("Invalid output query. JSON schema error: {}".format(e.message))
                 raise aiohttp.web.HTTPBadRequest(text="{}".format(e))
         self.body = json.dumps(answer, indent=4, sort_keys=True).encode('utf-8')
diff --git a/gns3server/web/route.py b/gns3server/web/route.py
index 10c28205..d63701fc 100644
--- a/gns3server/web/route.py
+++ b/gns3server/web/route.py
@@ -28,7 +28,6 @@ log = logging.getLogger(__name__)
 from ..modules.vm_error import VMError
 from .response import Response
 
-
 @asyncio.coroutine
 def parse_request(request, input_schema):
     """Parse body of request and raise HTTP errors in case of problems"""
@@ -42,9 +41,7 @@ def parse_request(request, input_schema):
     try:
         jsonschema.validate(request.json, input_schema)
     except jsonschema.ValidationError as e:
-        log.error("Invalid input schema {} '{}' in schema: {}".format(e.validator,
-                                                                      e.validator_value,
-                                                                      json.dumps(e.schema)))
+        log.error("Invalid input query. JSON schema error: {}".format(e.message))
         raise aiohttp.web.HTTPBadRequest(text="Request is not {} '{}' in schema: {}".format(
             e.validator,
             e.validator_value,