diff --git a/action.yml b/action.yml
index 1a328a0..37da7f4 100644
--- a/action.yml
+++ b/action.yml
@@ -6,7 +6,7 @@ inputs:
     description: Directory to format in
 runs:
   using: docker
-  image: git.janishutz.com/registry/latex-format
+  image: 'docker://git.janishutz.com/registry/latex-format'
   args:
     - ${{ inputs.workdir }}
 branding: