diff --git a/api/src/redirector.py b/api/src/redirector.py
index a0ba337..a071edd 100644
--- a/api/src/redirector.py
+++ b/api/src/redirector.py
@@ -20,7 +20,7 @@ templates = Jinja2Templates(directory="templates")
 
 
 class Cache:
-    CACHING_MINUTES = Environment.get("CACHING_MINUTES", int, 5)
+    CACHING_MINUTES = Environment.get("CACHE_EXPIRATION_MINUTES", int, 5)
 
     # {shortUrlKey: ShortUrl}
     _cache: dict[str, dict] = {}