diff --git a/CHANGELOG.md b/CHANGELOG.md
index b35631b..4575195 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,9 @@
+## 0.2.1
+
+- Reverting back to RSS for linux until (#7) is resolved
+
 ## 0.1.1
+
 - Bugfix: the `ps` style of memory reporting should always use RSS, and Linux should always use PSS
 
 ## 0.1.0
diff --git a/lib/get_process_mem.rb b/lib/get_process_mem.rb
index 4bc44f0..8cc87c2 100644
--- a/lib/get_process_mem.rb
+++ b/lib/get_process_mem.rb
@@ -65,7 +65,7 @@ def mem_type=(mem_type)
   # linux stores memory info in a file "/proc/#{pid}/smaps"
   # If it's available it uses less resources than shelling out to ps
   def linux_memory(file = @process_file)
-    lines = file.each_line.select {|line| line.match /^Pss/ }
+    lines = file.each_line.select {|line| line.match /^Rss/ }
     return if lines.empty?
     lines.reduce(0) do |sum, line|
       line.match(/(?<value>(\d*\.{0,1}\d+))\s+(?<unit>\w\w)/) do |m|
diff --git a/test/get_process_mem_test.rb b/test/get_process_mem_test.rb
index 0d79cc5..28eca9e 100644
--- a/test/get_process_mem_test.rb
+++ b/test/get_process_mem_test.rb
@@ -16,7 +16,7 @@ def test_seems_to_work
   def test_linux_smap
     delta = 1
     bytes = @mem.linux_memory(fixture_path("heroku-bash-smap"))
-    assert_in_delta BigDecimal.new("1217024.0"), bytes, delta
+    assert_in_delta BigDecimal.new("2122240.0"), bytes, delta
   end
 
   def test_conversions