diff --git a/README.md b/README.md
index 3c5a8b7..c0c6a33 100644
--- a/README.md
+++ b/README.md
@@ -75,12 +75,6 @@ Fill in `vars.*module_name*.yml` with correct values and render the module:
 
 ### Apply Terraform configuration from the environment
 
-Set your default gcloud credentials using
-
-```
-  gcloud auth application-default login
-```
-
 ```
   kite terraform init
   kite terraform apply --env *env_name*
diff --git a/lib/kite/terraform.rb b/lib/kite/terraform.rb
index 5b62ee1..a4aa2ab 100644
--- a/lib/kite/terraform.rb
+++ b/lib/kite/terraform.rb
@@ -26,8 +26,7 @@ def load_env
         STDERR.puts "%-25s: %s" % [key, ENV["TF_VAR_#{var}"]]
       end
 
-      # TODO: Need to be set only in case of GCP
-      # ENV['GOOGLE_APPLICATION_CREDENTIALS'] = @vars["credentials"]
+      ENV['GOOGLE_APPLICATION_CREDENTIALS'] = File.expand_path(@vars["service_account"]) if cloud.key? 'gcp'
     end
 
     def cloud