diff --git a/.github/workflows/publish-commits-to-pypi-test.yaml b/.github/workflows/publish-commits-to-pypi-test.yaml
index 70374fd..66bd97d 100644
--- a/.github/workflows/publish-commits-to-pypi-test.yaml
+++ b/.github/workflows/publish-commits-to-pypi-test.yaml
@@ -4,7 +4,7 @@ on:
   push
 jobs:
   build:
-    if: contains(github.ref, '/tags/') && contains(github.ref_name, 't')
+    if: contains(github.ref, '/tags/') && contains(github.event.base_ref, 'test')
     environment:
       name: testpypi
       url: https://test.pypi.org/p/dcnodatg
@@ -30,7 +30,7 @@ jobs:
         name: python-package-distributions
         path: dist/
   publish-to-testpypi:
-    if: contains(github.ref, '/tags/') && contains(github.ref_name, 'tst')
+    if: contains(github.ref, '/tags/') && contains(github.event.base_ref, 'test')
     environment:
       name: testpypi
       url: https://test.pypi.org/p/dcnodatg