diff --git a/reflex/components/core/banner.py b/reflex/components/core/banner.py
index 6242a0ee0..1fc631616 100644
--- a/reflex/components/core/banner.py
+++ b/reflex/components/core/banner.py
@@ -110,7 +110,7 @@ class ConnectionToaster(Toaster):
             id=toast_id,
         )  # pyright: ignore [reportCallIssue]
 
-        if environment.DOES_BACKEND_COLD_START.get():
+        if environment.REFLEX_DOES_BACKEND_COLD_START.get():
             loading_message = Var.create("Backend is starting.")
             backend_is_loading_toast_var = Var(
                 f"toast.loading({loading_message!s}, {{...toast_props, description: '', closeButton: false, onDismiss: () => setUserDismissed(true)}},)"
@@ -130,7 +130,7 @@ setTimeout(() => {{
     if ({has_too_many_connection_errors!s}) {{
         setWaitedForBackend(true);
     }}
-}}, {environment.BACKEND_COLD_START_TIMEOUT.get() * 1000});
+}}, {environment.REFLEX_BACKEND_COLD_START_TIMEOUT.get() * 1000});
 """
             )
         else:
diff --git a/reflex/config.py b/reflex/config.py
index 7900b4680..85f3827c1 100644
--- a/reflex/config.py
+++ b/reflex/config.py
@@ -714,10 +714,10 @@ class EnvironmentVariables:
     REFLEX_HOT_RELOAD_EXCLUDE_PATHS: EnvVar[List[Path]] = env_var([])
 
     # Enables different behavior for when the backend would do a cold start if it was inactive.
-    DOES_BACKEND_COLD_START: EnvVar[bool] = env_var(False)
+    REFLEX_DOES_BACKEND_COLD_START: EnvVar[bool] = env_var(False)
 
     # The timeout for the backend to do a cold start in seconds.
-    BACKEND_COLD_START_TIMEOUT: EnvVar[int] = env_var(10)
+    REFLEX_BACKEND_COLD_START_TIMEOUT: EnvVar[int] = env_var(10)
 
     # Used by flexgen to enumerate the pages.
     REFLEX_ADD_ALL_ROUTES_ENDPOINT: EnvVar[bool] = env_var(False)