diff --git a/.github/workflows/step_tests-conda.yml b/.github/workflows/step_tests-conda.yml
index ebddbd23..494edd4a 100644
--- a/.github/workflows/step_tests-conda.yml
+++ b/.github/workflows/step_tests-conda.yml
@@ -66,8 +66,10 @@ jobs:
           jupyter labextension list
           jupyter labextension list 2>&1 | grep -ie "jupyterlab-jupytext.*OK"
 
-          # Commented out on Dec 15, 2024, until we can fix that test
-          # python -m jupyterlab.browser_check
+          # Ensure locale LANG is set. See https://github.com/jupyterlab/jupyterlab/issues/17079
+          export LANG="en_US.utf8"
+
+          python -m jupyterlab.browser_check
 
       - name: Upload coverage
         uses: codecov/codecov-action@v3
diff --git a/.github/workflows/step_tests-pip.yml b/.github/workflows/step_tests-pip.yml
index 8462bf2e..5188a816 100644
--- a/.github/workflows/step_tests-pip.yml
+++ b/.github/workflows/step_tests-pip.yml
@@ -97,8 +97,10 @@ jobs:
           jupyter labextension list
           jupyter labextension list 2>&1 | grep -ie "jupyterlab-jupytext.*OK"
 
-          # Commented out on Dec 15, 2024, until we can fix that test
-          # python -m jupyterlab.browser_check
+          # Ensure locale LANG is set. See https://github.com/jupyterlab/jupyterlab/issues/17079
+          export LANG="en_US.utf8"
+
+          python -m jupyterlab.browser_check
 
       - name: Upload coverage
         uses: codecov/codecov-action@v3