diff --git a/lib/rack/attack/store_proxy/redis_cache_store_proxy.rb b/lib/rack/attack/store_proxy/redis_cache_store_proxy.rb
index 380215f..f57c6d5 100644
--- a/lib/rack/attack/store_proxy/redis_cache_store_proxy.rb
+++ b/lib/rack/attack/store_proxy/redis_cache_store_proxy.rb
@@ -15,7 +15,7 @@ module Rack
           #
           # So in order to workaround this we use RedisCacheStore#write (which sets expiration) to initialize
           # the counter. After that we continue using the original RedisCacheStore#increment.
-          if options[:expires_in] && !read(name)
+          if options[:expires_in] && !read(name, raw: true)
             write(name, amount, options)
 
             amount