diff --git a/cmd/brew-postgresql-upgrade-database.rb b/cmd/brew-postgresql-upgrade-database.rb
index f9b873e3f2..402054ef85 100755
--- a/cmd/brew-postgresql-upgrade-database.rb
+++ b/cmd/brew-postgresql-upgrade-database.rb
@@ -57,12 +57,29 @@ begin
     server_stopped = true
   end
 
+  # get 'lc_collate' from old DB"
+  unless quiet_system "#{old_bin}/pg_ctl", "-w", "-D", datadir, "status"
+    system "#{old_bin}/pg_ctl", "-w", "-D", datadir, "start"
+  end
+
+  sql_for_lc_collate = "SELECT setting FROM pg_settings WHERE name LIKE 'lc_collate';"
+  sql_for_lc_ctype = "SELECT setting FROM pg_settings WHERE name LIKE 'lc_ctype';"
+  lc_collate = Utils.popen_read("#{old_bin}/psql", "postgres", "-qtAc", sql_for_lc_collate).strip
+  lc_ctype = Utils.popen_read("#{old_bin}/psql", "postgres", "-qtAc", sql_for_lc_ctype).strip
+  initdb_args = []
+  initdb_args += ["--lc-collate", lc_collate] unless lc_collate.empty?
+  initdb_args += ["--lc-ctype", lc_ctype] unless lc_ctype.empty?
+
+  if quiet_system "#{old_bin}/pg_ctl", "-w", "-D", datadir, "status"
+    system "#{old_bin}/pg_ctl", "-w", "-D", datadir, "stop"
+  end
+
   ohai "Moving #{name} data from #{datadir} to #{old_datadir}..."
   FileUtils.mv datadir, old_datadir
   moved_data = true
 
   (var/"postgres").mkpath
-  system "#{bin}/initdb", "#{var}/postgres"
+  system "#{bin}/initdb", *initdb_args, "#{var}/postgres"
   initdb_run = true
 
   (var/"log").cd do