diff --git a/ui/easydiffusion/app.py b/ui/easydiffusion/app.py
index 91608dfb..2edf544f 100644
--- a/ui/easydiffusion/app.py
+++ b/ui/easydiffusion/app.py
@@ -61,7 +61,7 @@ APP_CONFIG_DEFAULTS = {
     "ui": {
         "open_browser_on_start": True,
     },
-    "test_diffusers": True,
+    "use_v3_engine": True,
 }
 
 IMAGE_EXTENSIONS = [
@@ -116,9 +116,9 @@ def getConfig(default_val=APP_CONFIG_DEFAULTS):
         shutil.move(config_legacy_yaml, config_yaml_path)
 
     def set_config_on_startup(config: dict):
-        if getConfig.__test_diffusers_on_startup is None:
-            getConfig.__test_diffusers_on_startup = config.get("test_diffusers", True)
-        config["config_on_startup"] = {"test_diffusers": getConfig.__test_diffusers_on_startup}
+        if getConfig.__use_v3_engine_on_startup is None:
+            getConfig.__use_v3_engine_on_startup = config.get("use_v3_engine", True)
+        config["config_on_startup"] = {"use_v3_engine": getConfig.__use_v3_engine_on_startup}
 
     if os.path.isfile(config_yaml_path):
         try:
@@ -166,7 +166,7 @@ def getConfig(default_val=APP_CONFIG_DEFAULTS):
             return default_val
 
 
-getConfig.__test_diffusers_on_startup = None
+getConfig.__use_v3_engine_on_startup = None
 
 
 def setConfig(config):
diff --git a/ui/easydiffusion/runtime.py b/ui/easydiffusion/runtime.py
index 38c56e40..78d90f60 100644
--- a/ui/easydiffusion/runtime.py
+++ b/ui/easydiffusion/runtime.py
@@ -30,7 +30,7 @@ def init(device):
     from easydiffusion import app
 
     app_config = app.getConfig()
-    context.test_diffusers = app_config.get("test_diffusers", True)
+    context.test_diffusers = app_config.get("use_v3_engine", True)
 
     log.info("Device usage during initialization:")
     get_device_usage(device, log_info=True, process_usage_only=False)
diff --git a/ui/easydiffusion/server.py b/ui/easydiffusion/server.py
index b8a7b3ff..f0aacd15 100644
--- a/ui/easydiffusion/server.py
+++ b/ui/easydiffusion/server.py
@@ -66,7 +66,7 @@ class SetAppConfigRequest(BaseModel, extra=Extra.allow):
     ui_open_browser_on_start: bool = None
     listen_to_network: bool = None
     listen_port: int = None
-    test_diffusers: bool = True
+    use_v3_engine: bool = True
 
 
 def init():
@@ -175,7 +175,7 @@ def set_app_config_internal(req: SetAppConfigRequest):
             config["net"] = {}
         config["net"]["listen_port"] = int(req.listen_port)
 
-    config["test_diffusers"] = req.test_diffusers
+    config["use_v3_engine"] = req.use_v3_engine
 
     for property, property_value in req.dict().items():
         if property_value is not None and property not in req.__fields__ and property not in PROTECTED_CONFIG_KEYS:
diff --git a/ui/easydiffusion/utils/save_utils.py b/ui/easydiffusion/utils/save_utils.py
index 95bb37c5..0694ca33 100644
--- a/ui/easydiffusion/utils/save_utils.py
+++ b/ui/easydiffusion/utils/save_utils.py
@@ -230,7 +230,7 @@ def get_printable_request(
     task_data_metadata.update(save_data.dict())
 
     app_config = app.getConfig()
-    using_diffusers = app_config.get("test_diffusers", True)
+    using_diffusers = app_config.get("use_v3_engine", True)
 
     # Save the metadata in the order defined in TASK_TEXT_MAPPING
     metadata = {}
diff --git a/ui/media/js/parameters.js b/ui/media/js/parameters.js
index fcbcf8a8..d71022ac 100644
--- a/ui/media/js/parameters.js
+++ b/ui/media/js/parameters.js
@@ -238,7 +238,7 @@ var PARAMETERS = [
         default: false,
     },
     {
-        id: "test_diffusers",
+        id: "use_v3_engine",
         type: ParameterType.checkbox,
         label: "Use the new v3 engine (diffusers)",
         note:
@@ -420,7 +420,7 @@ let listenPortField = document.querySelector("#listen_port")
 let useBetaChannelField = document.querySelector("#use_beta_channel")
 let uiOpenBrowserOnStartField = document.querySelector("#ui_open_browser_on_start")
 let confirmDangerousActionsField = document.querySelector("#confirm_dangerous_actions")
-let testDiffusers = document.querySelector("#test_diffusers")
+let testDiffusers = document.querySelector("#use_v3_engine")
 let profileNameField = document.querySelector("#profileName")
 
 let saveSettingsBtn = document.querySelector("#save-system-settings-btn")
@@ -465,13 +465,13 @@ async function getAppConfig() {
         }
 
         let testDiffusersEnabled = true
-        if (config.test_diffusers === false) {
+        if (config.use_v3_engine === false) {
             testDiffusersEnabled = false
         }
         testDiffusers.checked = testDiffusersEnabled
 
         if (config.config_on_startup) {
-            if (config.config_on_startup?.test_diffusers) {
+            if (config.config_on_startup?.use_v3_engine) {
                 document.body.classList.add("diffusers-enabled-on-startup")
                 document.body.classList.remove("diffusers-disabled-on-startup")
             } else {