diff --git a/lib/middleware/unicorn_oobgc.rb b/lib/middleware/unicorn_oobgc.rb
index 2dae1be47..b0f7bc759 100644
--- a/lib/middleware/unicorn_oobgc.rb
+++ b/lib/middleware/unicorn_oobgc.rb
@@ -60,7 +60,9 @@ module Middleware::UnicornOobgc
         new_delta = (delta * 1.5).to_i
         @max_delta = [new_delta, delta].min
       else
-        new_delta = (delta * 0.99).to_i
+        # this may seem like a very tiny decay rate, but some apps using caching
+        # can really mess stuff up, if our delta is too low the algorithm fails
+        new_delta = (delta * 0.995).to_i
         @max_delta = [new_delta, delta].max
       end