diff --git a/main.rb b/main.rb
index 8cd0bff..327aa41 100644
--- a/main.rb
+++ b/main.rb
@@ -127,6 +127,7 @@ def read_brew(*args)
 
     # Get livecheck info
     json = read_brew 'livecheck',
+                     '--formula',
                      '--quiet',
                      '--newer-only',
                      '--full-name',