diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2d0ec5362051486b40344834bbb0fd1c06d0b466..b87521ae23fc4413d26f5df9ff6c36141ad6f3c9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -41,7 +41,7 @@ build.live:
 test:
   stage: test_stage
   script:
-    - singularity run 'docker://18fgsa/html-proofer:gitlab-ci' htmlproofer ./public --empty_alt_ignore --url-swap "strandlab.dev.s3-website.us-east-2:.,amazonaws.com,strandlab.net:." --url-ignore "https://twitter.com/strand_lab"
+    - singularity run 'docker://18fgsa/html-proofer:gitlab-ci' htmlproofer ./public --empty_alt_ignore --url-swap "strandlab.dev.s3-website.us-east-2:/,amazonaws.com,strandlab.net:/" --url-ignore "https://twitter.com/strand_lab"
 
 deploy.dev:
   stage: deploy_stage