diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 10c79c5..050195c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -129,7 +129,7 @@ jobs:
       # XXX TODO: Test on multiple platforms (os, maybe arch) via the matrix too
       matrix:
         include:
-          - { pathogen: avian-flu,       build-args: auspice/avian-flu_h5n1_ha.json }
+          - { pathogen: avian-flu,       build-args: test_target }
           - { pathogen: ebola }
           - { pathogen: lassa }
           - { pathogen: mumps }