diff --git a/CHANGELOG.md b/CHANGELOG.md
index 906dd1b8..677335b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ## Fixed
 
 - Routes are now being drawn the very same way on Map V2 as in Map V1. #2132 #2086
+- RailsPulse performance monitoring is now disabled for self-hosted instances. It fixes poor performance on Synology. #2139
 
 ## Changed
 
diff --git a/config/initializers/rails_pulse.rb b/config/initializers/rails_pulse.rb
index c4efebbc..623ba2a7 100644
--- a/config/initializers/rails_pulse.rb
+++ b/config/initializers/rails_pulse.rb
@@ -3,8 +3,8 @@ RailsPulse.configure do |config|
   #                                         GLOBAL CONFIGURATION
   # ====================================================================================================
 
-  # Enable or disable Rails Pulse
-  config.enabled = true
+  # Disable Rails Pulse in Self-hosted Environments
+  config.enabled = !SELF_HOSTED
 
   # ====================================================================================================
   #                                               THRESHOLDS