diff --git a/.travis.yml b/.travis.yml
index aee35df..43f7133 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,5 +21,5 @@ before_script:
 script:
   - ./letsencrypt.sh
   - openssl x509 -in "certs/${TMP_URL}/cert.pem" -noout -text
-  - openssl verify -verbose -CAfile "certs/${ROOTCERT}" -purpose sslserver "certs/${TMP_URL}/cert.pem"
+  - openssl verify -verbose -CAfile "certs/lets-encrypt-staging.pem" -purpose sslserver "certs/${TMP_URL}/cert.pem"
   - ./letsencrypt.sh revoke "certs/${TMP_URL}/cert.pem"