diff --git a/app/models/budget/stats.rb b/app/models/budget/stats.rb
index 4d62cd6de..04cc6d480 100644
--- a/app/models/budget/stats.rb
+++ b/app/models/budget/stats.rb
@@ -192,7 +192,7 @@ class Budget::Stats
 
     stats_cache(*stats_methods)
 
-    def stats_cache(key, &)
-      Rails.cache.fetch("budgets_stats/#{budget.id}/#{phases.join}/#{key}/#{version}", &)
+    def full_cache_key_for(key)
+      "budgets_stats/#{budget.id}/#{phases.join}/#{key}/#{version}"
     end
 end
diff --git a/app/models/concerns/statisticable.rb b/app/models/concerns/statisticable.rb
index 9d47720ee..8e4ea424c 100644
--- a/app/models/concerns/statisticable.rb
+++ b/app/models/concerns/statisticable.rb
@@ -224,4 +224,8 @@ module Statisticable
         I18n.t("stats.age_range", start: start, finish: finish)
       end
     end
+
+    def stats_cache(key, &)
+      Rails.cache.fetch(full_cache_key_for(key), &)
+    end
 end
diff --git a/app/models/poll/stats.rb b/app/models/poll/stats.rb
index c449bf17d..0aeb93109 100644
--- a/app/models/poll/stats.rb
+++ b/app/models/poll/stats.rb
@@ -121,7 +121,7 @@ class Poll::Stats
 
     stats_cache(*stats_methods)
 
-    def stats_cache(key, &)
-      Rails.cache.fetch("polls_stats/#{poll.id}/#{key}/#{version}", &)
+    def full_cache_key_for(key)
+      "polls_stats/#{poll.id}/#{key}/#{version}"
     end
 end