diff --git a/core/httptools.py b/core/httptools.py
index 31889c9d..7edc128c 100644
--- a/core/httptools.py
+++ b/core/httptools.py
@@ -4,6 +4,23 @@
 # Based on code from https://github.com/alfa-addon/
 # --------------------------------------------------------------------------------
 
+# Fix para error de validación del certificado del tipo:
+# [downloadpage] Response code: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:661)>
+# [downloadpage] Response error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:661)
+# Fix desde la página: https://stackoverflow.com/questions/27835619/urllib-and-ssl-certificate-verify-failed-error
+# -----------------------------------------------------------------------
+import ssl
+try:
+    _create_unverified_https_context = ssl._create_unverified_context
+except AttributeError:
+    # Legacy Python that doesn't verify HTTPS certificates by default
+    pass
+else:
+    # Handle target environment that doesn't support HTTPS verification
+    ssl._create_default_https_context = _create_unverified_https_context
+# -----------------------------------------------------------------------
+
+
 try:
     import urllib.request as urllib
     import urllib.parse as urlparse