diff --git a/backend/src/main/java/com/bi/constant/RedisCacheKey.java b/backend/src/main/java/com/bi/constant/RedisCacheKey.java
index 7786215..b92829e 100644
--- a/backend/src/main/java/com/bi/constant/RedisCacheKey.java
+++ b/backend/src/main/java/com/bi/constant/RedisCacheKey.java
@@ -5,6 +5,7 @@ private RedisCacheKey() {
 
     }
 
+    public static final String CACHE_PARAM = "#userId";
     public static final String GET_COFFEE_LISTINGS_KEY = "getCoffeeListings";
     public static final String GET_USER_COFFEE_LISTINGS_KEY = "getUserCoffeeListings";
     public static final String GET_FILTERED_COFFEE_LISTINGS_KEY = "getFilteredCoffeeListings";
diff --git a/backend/src/main/java/com/bi/service/impl/CoffeeListingServiceImpl.java b/backend/src/main/java/com/bi/service/impl/CoffeeListingServiceImpl.java
index 1f5137a..787f62f 100644
--- a/backend/src/main/java/com/bi/service/impl/CoffeeListingServiceImpl.java
+++ b/backend/src/main/java/com/bi/service/impl/CoffeeListingServiceImpl.java
@@ -38,7 +38,7 @@ public List<CoffeeListingDTO> getCoffeeListings() {
     }
 
     @Override
-    @Cacheable(value = RedisCacheKey.GET_USER_COFFEE_LISTINGS_KEY, key = "#userId")
+    @Cacheable(value = RedisCacheKey.GET_USER_COFFEE_LISTINGS_KEY, key = RedisCacheKey.CACHE_PARAM)
     public List<CoffeeListingDTO> getCoffeeListingsByUserId(String userId) {
         List<CoffeeListing> userCoffeeListings = this.coffeeListingRepo.findByUserProfileUserId(userId);
         return userCoffeeListings.stream()
diff --git a/backend/src/main/java/com/bi/service/impl/RecipeServiceImpl.java b/backend/src/main/java/com/bi/service/impl/RecipeServiceImpl.java
index 1700f14..013e7c0 100644
--- a/backend/src/main/java/com/bi/service/impl/RecipeServiceImpl.java
+++ b/backend/src/main/java/com/bi/service/impl/RecipeServiceImpl.java
@@ -37,7 +37,7 @@ public List<RecipeDTO> getRecipes() {
     }
 
     @Override
-    @Cacheable(value = RedisCacheKey.GET_USER_RECIPES_KEY, key = "#userId")
+    @Cacheable(value = RedisCacheKey.GET_USER_RECIPES_KEY, key = RedisCacheKey.CACHE_PARAM)
     public List<RecipeDTO> getCoffeeRecipesByUserId(String userId) {
         List<Recipe> userRecipes = this.recipeRepo.findByUserProfileUserId(userId);
         return userRecipes.stream()