diff --git a/models/site.rb b/models/site.rb
index 968ebca4..782515bd 100644
--- a/models/site.rb
+++ b/models/site.rb
@@ -141,6 +141,7 @@ class Site < Sequel::Model
   DISPOSABLE_EMAIL_BLACKLIST_PATH = File.join(DIR_ROOT, 'files', 'disposable_email_blacklist.conf')
   BANNED_EMAIL_BLACKLIST_PATH = File.join(DIR_ROOT, 'files', 'banned_email_blacklist.conf')
 
+  BLOCK_JERK_PERCENTAGE = 30
   BLOCK_JERK_THRESHOLD = 25
   MAXIMUM_TAGS = 5
   MAX_USERNAME_LENGTH = 32.freeze
@@ -621,7 +622,8 @@ class Site < Sequel::Model
   end
 
   def is_a_jerk?
-    blocks_dataset.count >= BLOCK_JERK_THRESHOLD
+    blocks_dataset_count = blocks_dataset.count
+    blocks_dataset_count >= BLOCK_JERK_THRESHOLD && ((blocks_dataset_count / follows_dataset.count.to_f) * 100) > BLOCK_JERK_PERCENTAGE
   end
 
   def blocking_site_ids