diff --git a/package.json b/package.json
index e948692d5..c697b83f2 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "dev": "vite",
     "start": "vite",
     "build": "vite build --emptyOutDir && ./deploy_build.sh",
-    "ghpages": "vite build --outDir ../gh_pages && ./deploy_ghpages.sh",
+    "ghpages": "vite build --outDir ../gh_pages --base /omero-figure/ && ./deploy_ghpages.sh",
     "test": "echo \"Error: no test specified\" && exit 1",
     "watch": "watch 'npm run build' ./src"
   },
diff --git a/vite.config.js b/vite.config.js
index 8c2d82d8c..bac8b9285 100755
--- a/vite.config.js
+++ b/vite.config.js
@@ -27,9 +27,6 @@ let config = {
   assetsInclude: ["**/*.template.html"],
 }
 
-// this will be undefined when deployed from netlify, but is used by gh-pages
-if (process.env.GITHUB_REPOSITORY_OWNER) {
-  config.base = "/omero-figure/";
-}
+// NB: config.base is set to "/omero-figure/" in ghpages build (see package.json)
 
 export default defineConfig(config);