diff --git a/Library/Homebrew/cask/installer.rb b/Library/Homebrew/cask/installer.rb
index 369b05f1d0..503962e308 100644
--- a/Library/Homebrew/cask/installer.rb
+++ b/Library/Homebrew/cask/installer.rb
@@ -368,8 +368,8 @@ module Cask
             fi.installed_on_request = false
             fi.show_header = true
             fi.verbose = verbose?
-            fi.prelude
             fi.fetch
+            fi.prelude
             fi.install
             fi.finish
           end
diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index ef95b00c76..03f373447d 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -325,8 +325,8 @@ module Homebrew
     fi.build_bottle         = args.build_bottle?
     fi.interactive          = args.interactive?
     fi.git                  = args.git?
-    fi.prelude
     fi.fetch
+    fi.prelude
     fi.install
     fi.finish
   rescue FormulaInstallationAlreadyAttemptedError
diff --git a/Library/Homebrew/cmd/upgrade.rb b/Library/Homebrew/cmd/upgrade.rb
index f417c7c54f..df2481fb10 100644
--- a/Library/Homebrew/cmd/upgrade.rb
+++ b/Library/Homebrew/cmd/upgrade.rb
@@ -183,7 +183,6 @@ module Homebrew
       fi.installed_as_dependency = tab.installed_as_dependency
       fi.installed_on_request  ||= tab.installed_on_request
     end
-    fi.prelude
 
     upgrade_version = if f.optlinked?
       "#{Keg.new(f.opt_prefix).version} -> #{f.pkg_version}"
@@ -193,6 +192,7 @@ module Homebrew
     oh1 "Upgrading #{Formatter.identifier(f.full_specified_name)} #{upgrade_version} #{fi.options.to_a.join(" ")}"
 
     fi.fetch
+    fi.prelude
 
     # first we unlink the currently active keg for this formula otherwise it is
     # possible for the existing build to interfere with the build we are about to
diff --git a/Library/Homebrew/reinstall.rb b/Library/Homebrew/reinstall.rb
index be7f9c847e..ff3c5707f2 100644
--- a/Library/Homebrew/reinstall.rb
+++ b/Library/Homebrew/reinstall.rb
@@ -35,8 +35,8 @@ module Homebrew
       fi.installed_as_dependency = tab.installed_as_dependency
       fi.installed_on_request    = tab.installed_on_request
     end
-    fi.prelude
     fi.fetch
+    fi.prelude
 
     oh1 "Reinstalling #{Formatter.identifier(f.full_name)} #{options.to_a.join " "}"
 
diff --git a/Library/Homebrew/test/support/helper/spec/shared_context/integration_test.rb b/Library/Homebrew/test/support/helper/spec/shared_context/integration_test.rb
index cbc933817d..3f4468a3a7 100644
--- a/Library/Homebrew/test/support/helper/spec/shared_context/integration_test.rb
+++ b/Library/Homebrew/test/support/helper/spec/shared_context/integration_test.rb
@@ -176,8 +176,8 @@ RSpec.shared_context "integration test" do
     setup_test_formula(name, content)
     fi = FormulaInstaller.new(Formula[name])
     fi.build_bottle = build_bottle
-    fi.prelude
     fi.fetch
+    fi.prelude
     fi.install
     fi.finish
   end