diff --git a/.github/workflows/.tests-matrix.yaml b/.github/workflows/.tests-matrix.yaml
index 9878cfbcf83..9a9bae65d01 100644
--- a/.github/workflows/.tests-matrix.yaml
+++ b/.github/workflows/.tests-matrix.yaml
@@ -22,6 +22,9 @@ defaults:
   run:
     shell: bash
 
+env:
+  PYTHONWARNDEFAULTENCODING: 'true'
+
 jobs:
   mypy:
     name: mypy
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 2395ee5a75e..72aecab2a4b 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -13,9 +13,6 @@ defaults:
   run:
     shell: bash
 
-env:
-  PYTHONWARNDEFAULTENCODING: 'true'
-
 jobs:
   changes:
     name: Detect changed files