diff --git a/hosts.yaml b/hosts.yaml
index a6fd3e3..f2942cc 100644
--- a/hosts.yaml
+++ b/hosts.yaml
@@ -6,7 +6,7 @@ hosts:
       - ping
       - httpcheck:
           endpoint: https://webassets.confederationcollege.ca
-      - cert_expiration:
+      - certexp:
           endpoint: webassets.confederationcollege.ca
           expiration_warning_days: 30
   secureassets:
@@ -17,7 +17,7 @@ hosts:
     hostname: cc-cognotest-01.confederationc.on.ca
     actions:
       - ping
-      - cert_expiration:
+      - certexp:
           endpoint: cc-cognotest-01.confederationc.on.ca:9300
           expiration_warning_days: 30
   Solarwinds Service Desk:
@@ -53,6 +53,6 @@ hosts:
   Gitlab:
     hostname: cc-gitlab.confederationcollege.ca
     actions:
-      - cert_expiration:
+      - certexp:
           endpoint: cc-gitlab.confederationcollege.ca
           expiration_warning_days: 30
diff --git a/plugins/cert_expiration.py b/plugins/certexp.py
similarity index 96%
rename from plugins/cert_expiration.py
rename to plugins/certexp.py
index 2cad95e..121e24f 100644
--- a/plugins/cert_expiration.py
+++ b/plugins/certexp.py
@@ -3,7 +3,7 @@ import OpenSSL
 from datetime import datetime,timedelta
 from socket import gaierror
 
-def cert_expiration(args):
+def certexp(args):
     hostname = args['endpoint'].split(":")[0]
     
     try: