diff --git a/lib/cloud_providers/ec2/helpers/elastic_auto_scaler.rb b/lib/cloud_providers/ec2/helpers/elastic_auto_scaler.rb
index <HASH>..<HASH> 100644
--- a/lib/cloud_providers/ec2/helpers/elastic_auto_scaler.rb
+++ b/lib/cloud_providers/ec2/helpers/elastic_auto_scaler.rb
@@ -321,7 +321,7 @@ module CloudProviders
       :measure => :cpu,
       :period => 60,
       :statistic => :average,
-      :unit => "Seconds",
+      :unit => "Percent",
       :lower_threshold => 20,
       :upper_threshold => 60,
       :trigger_name => "CpuTrigger",
Fixed default unit definition for new as triggers.