diff --git a/Library/Homebrew/cmd/audit.rb b/Library/Homebrew/cmd/audit.rb
index 3fe4619085..cdf5bb9fe1 100644
--- a/Library/Homebrew/cmd/audit.rb
+++ b/Library/Homebrew/cmd/audit.rb
@@ -409,11 +409,12 @@ class FormulaAuditor
     end
 
     # Make sure the formula name plus description is no longer than 80 characters
-    linelength = formula.full_name.length + ": ".length + desc.length
+    # Note full_name includes the name of the tap, while name does not
+    linelength = formula.name.length + ": ".length + desc.length
     if linelength > 80
       problem <<-EOS.undent
         Description is too long. \"name: desc\" should be less than 80 characters.
-        Length is calculated as #{formula.full_name} + desc. (currently #{linelength})
+        Length is calculated as #{formula.name} + desc. (currently #{linelength})
       EOS
     end