diff --git a/test/services/open-webui.nix b/test/services/open-webui.nix
index 0d828ef..069ff1b 100644
--- a/test/services/open-webui.nix
+++ b/test/services/open-webui.nix
@@ -35,7 +35,13 @@ let
         inherit (config.test) subdomain domain;
       };
       # Speeds up tests because models can't be downloaded anyway and that leads to retries.
-      services.open-webui.environment.OFFLINE_MODE = "true";
+      services.open-webui.environment = {
+        OFFLINE_MODE = "true";
+        BYPASS_EMBEDDING_AND_RETRIEVAL = "true";
+        RAG_EMBEDDING_ENGINE = "ollama";
+        RAG_EMBEDDING_MODEL = "dummy";
+        RAG_OLLAMA_BASE_URL = "http://127.0.0.1:9";
+      };
 
       networking.hosts = {
         "127.0.0.1" = [ "${config.test.subdomain}.${config.test.domain}" ];