diff --git a/fm-doc/fm_doc/check_missing_alarms.py b/fm-doc/fm_doc/check_missing_alarms.py
index 41e36816..f555b9f0 100644
--- a/fm-doc/fm_doc/check_missing_alarms.py
+++ b/fm-doc/fm_doc/check_missing_alarms.py
@@ -94,7 +94,7 @@ exitValue = 0
 
 with open(sys.argv[1], 'r') as stream:
     try:
-        events = yaml.load(stream)
+        events = yaml.safe_load(stream)
         events_alarm_list = get_events_alarm_list(events)
 
     except yaml.YAMLError as exc:
diff --git a/fm-doc/fm_doc/parseEventYaml.py b/fm-doc/fm_doc/parseEventYaml.py
index 13f6dcb7..e82bdeed 100755
--- a/fm-doc/fm_doc/parseEventYaml.py
+++ b/fm-doc/fm_doc/parseEventYaml.py
@@ -186,7 +186,7 @@ if not os.path.isfile(sys.argv[1]):
 
 with open(sys.argv[1], 'r') as stream:
     try:
-        events = yaml.load(stream)
+        events = yaml.safe_load(stream)
         exitValue = 0
 
         for key in events:
diff --git a/tox.ini b/tox.ini
index 47b67264..d008525a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -50,6 +50,11 @@ commands =
             \( -name .tox -prune \)         \
             -o -type f -name '*.yaml'       \
             -print0 | xargs -0 yamllint -d '\{extends: relaxed, rules: \{line-length: \{max: 260\}\}\}'"
+  bash -c "cd {envdir};  \
+           cp {toxinidir}/fm-api/source/fm_api/constants.py .; \
+           cp {toxinidir}/fm-common/sources/fmAlarm.h .; \
+           cp {toxinidir}/fm-doc/fm_doc/* .; \
+           ./checkEventYaml"
 
 [testenv:pylint]
 basepython = python3