diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index fb8a2d296a..7b47718102 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -27,6 +27,9 @@ class FormulaInstaller
 
     @@attempted ||= Set.new
 
+    @poured_bottle = false
+    @pour_failed   = false
+
     lock
     check_install_sanity
   end
@@ -110,8 +113,6 @@ class FormulaInstaller
 
     @@attempted << f
 
-    @poured_bottle = false
-
     begin
       if pour_bottle? :warn => true
         pour