diff --git a/ext/common/Utils.cpp b/ext/common/Utils.cpp

index fd2e8f3..30dbdd4 100644

--- a/ext/common/Utils.cpp

+++ b/ext/common/Utils.cpp

@@ -629,7 +629,7 @@ getSystemTempDir() {

 	if (temp_dir == NULL || *temp_dir == '\0') {

 		temp_dir = getenv("PASSENGER_TMPDIR");

 		if (temp_dir == NULL || *temp_dir == '\0') {

-			temp_dir = "/tmp";

+			temp_dir = "/var/run/rh-passenger40";

 		}

 	}

 	return temp_dir;

diff --git a/lib/phusion_passenger/admin_tools.rb b/lib/phusion_passenger/admin_tools.rb

index f149241..92cceea 100644

--- a/lib/phusion_passenger/admin_tools.rb

+++ b/lib/phusion_passenger/admin_tools.rb

@@ -30,7 +30,7 @@ module AdminTools

 				return ENV[name]

 			end

 		end

-		return "/tmp"

+		return "/var/run/rh-passenger40"

 	end

 	def self.process_is_alive?(pid)

diff --git a/lib/phusion_passenger/utils/tmpdir.rb b/lib/phusion_passenger/utils/tmpdir.rb

index c3c8ab6..e77148a 100644

--- a/lib/phusion_passenger/utils/tmpdir.rb

+++ b/lib/phusion_passenger/utils/tmpdir.rb

@@ -37,7 +37,7 @@ protected

 	def self.passenger_tmpdir(create = true)

 		dir = @@passenger_tmpdir

 		if dir.nil? || dir.empty?

-			tmpdir = "/tmp"

+			tmpdir = "/var/run/rh-passenger40"

 			["PASSENGER_TEMP_DIR", "PASSENGER_TMPDIR"].each do |name|

 				if ENV.has_key?(name) && !ENV[name].empty?

 					tmpdir = ENV[name]