diff --git a/ragna/deploy/_ui/app.py b/ragna/deploy/_ui/app.py
index fb7d8567..b364bb12 100644
--- a/ragna/deploy/_ui/app.py
+++ b/ragna/deploy/_ui/app.py
@@ -1,3 +1,4 @@
+import os
 from pathlib import Path
 from urllib.parse import urlsplit
 
@@ -24,8 +25,8 @@
 
 HERE = Path(__file__).parent
 # CSS = HERE / "css"
-IMGS = HERE / "imgs"
-RES = HERE / "resources"
+IMGS = Path(os.environ.get("RAGNA_UI_IMG_DIR", HERE / "imgs"))
+RES = Path(os.environ.get("RAGNA_UI_RES_DIR", HERE / "resources"))
 
 
 class App(param.Parameterized):