diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 9478b1b..08df01e 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -101,6 +101,7 @@ jobs:
       PYVISTA_TRAME_SERVER_PROXY_ENABLED: "True"
       PYVISTA_OFF_SCREEN: false
       PYVISTA_JUPYTER_BACKEND: "html"
+      DISPLAY: ":99.0"
 
     steps:
     - uses: actions/checkout@v2
@@ -118,6 +119,13 @@ jobs:
     needs:
     - build-docker
 
+    env:
+      PYVISTA_TRAME_SERVER_PROXY_PREFIX: "/proxy/"
+      PYVISTA_TRAME_SERVER_PROXY_ENABLED: "True"
+      PYVISTA_OFF_SCREEN: false
+      PYVISTA_JUPYTER_BACKEND: "html"
+      DISPLAY: ":99.0"
+
     permissions:
       contents: read
       pages: write