diff --git a/vendor/gems/message_bus/lib/message_bus/diagnostics.rb b/vendor/gems/message_bus/lib/message_bus/diagnostics.rb
index ed1a954df89..871755afbd6 100644
--- a/vendor/gems/message_bus/lib/message_bus/diagnostics.rb
+++ b/vendor/gems/message_bus/lib/message_bus/diagnostics.rb
@@ -1,8 +1,13 @@
 class MessageBus::Diagnostics
   def self.full_process_path
     begin
-      info = `ps -eo "%p|$|%a" | grep '^\\s*#{Process.pid}'`
-      info.strip.split('|$|')[1]
+      system = `uname`.strip
+      if system == "Darwin"
+        `ps -o "comm=" -p #{Process.pid}`
+      else
+        info = `ps -eo "%p|$|%a" | grep '^\\s*#{Process.pid}'`
+        info.strip.split('|$|')[1]
+      end
     rescue
       # skip it ... not linux or something weird
     end