diff --git a/Library/Formula/terraform.rb b/Library/Formula/terraform.rb
index 40f5e808b8bc..4a9286f5e8a3 100644
--- a/Library/Formula/terraform.rb
+++ b/Library/Formula/terraform.rb
@@ -162,6 +162,6 @@ def install
         count = 4
       }
     EOS
-    system "#{bin}/terraform", "plan", "-var", "aws.region=us-west-2", testpath
+    system "#{bin}/terraform", "graph", testpath
   end
 end