diff --git a/CHANGES_NEXT_RELEASE b/CHANGES_NEXT_RELEASE
index 2c93da9716..6e458d3b88 100644
--- a/CHANGES_NEXT_RELEASE
+++ b/CHANGES_NEXT_RELEASE
@@ -1,3 +1,4 @@
 - Fix: missing lastSuccess/lastFailure associated to initial notification on subscription creation some times when csub cache is in use (#2974)
 - Fix: several invalid memory accesses (based on a workaround, not a definitive solution, see issue #2994)
 - Add: release_date and doc fields are added to the GET /version output to align with FIWARE scheme (#2970)
+- Fix: broken JSON due to unscaped quotes (") in NGSIv2 error description field (#2955)
\ No newline at end of file
diff --git a/src/lib/rest/OrionError.cpp b/src/lib/rest/OrionError.cpp
index cb0fa7ab31..e7f8271bf0 100644
--- a/src/lib/rest/OrionError.cpp
+++ b/src/lib/rest/OrionError.cpp
@@ -125,7 +125,18 @@ std::string OrionError::setStatusCodeAndSmartRender(ApiVersion apiVersion, HttpS
 */
 std::string OrionError::toJson(void)
 {
-  return "{" + JSON_STR("error") + ":" + JSON_STR(reasonPhrase) + "," + JSON_STR("description") + ":" + JSON_STR(details) + "}";
+  std::string  out;
+  char*        reasonPhraseEscaped = htmlEscape(reasonPhrase.c_str());
+  char*        detailsEscaped = htmlEscape(details.c_str());
+
+  out += "{" + JSON_VALUE("error", reasonPhraseEscaped);
+  out += ",";
+  out += JSON_VALUE("description", detailsEscaped) + "}";
+
+  free(reasonPhraseEscaped);
+  free(detailsEscaped);
+
+  return out;
 }
 
 
diff --git a/test/functionalTest/cases/2955_quote_in_url_not_escaped/quote_in_url_not_escaped.test b/test/functionalTest/cases/2955_quote_in_url_not_escaped/quote_in_url_not_escaped.test
new file mode 100644
index 0000000000..2b98514a05
--- /dev/null
+++ b/test/functionalTest/cases/2955_quote_in_url_not_escaped/quote_in_url_not_escaped.test
@@ -0,0 +1,53 @@
+# Copyright 2013 Telefonica Investigacion y Desarrollo, S.A.U
+#
+# This file is part of Orion Context Broker.
+#
+# Orion Context Broker is free software: you can redistribute it and/or
+# modify it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# Orion Context Broker is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero
+# General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with Orion Context Broker. If not, see http://www.gnu.org/licenses/.
+#
+# For those usages not covered by this license please contact with
+# iot_support at tid dot es
+
+# VALGRIND_READY - to mark the test ready for valgrindTestSuite.sh
+
+--NAME--
+Quote in URL not escaped
+
+--SHELL-INIT--
+dbInit CB
+brokerStart CB
+
+--SHELL--
+
+echo "0: ++++++++++++++++++++"
+orionCurl --url '/v2/entities?foo\"'
+echo
+echo
+
+--REGEXPECT--
+0: ++++++++++++++++++++
+HTTP/1.1 400 Bad Request
+Content-Length: 86
+Content-Type: application/json
+Fiware-Correlator: REGEX([0-9a-f\-]{36})
+Date: REGEX(.*)
+
+{ 
+    "description": "Empty right-hand-side for URI param /foo"/",
+    "error": "BadRequest"	
+}
+
+
+--TEARDOWN--
+brokerStop CB
+dbDrop CB