diff --git a/config/_default/params.toml b/config/_default/params.toml
index 8ed9d088..e2c395b0 100644
--- a/config/_default/params.toml
+++ b/config/_default/params.toml
@@ -15,7 +15,7 @@ enableCodeCopy = false
 # mainSections = ["section1", "section2"]
 # robots = ""
 
-# disableImageOptimization = false
+disableImageOptimization = false
 
 # defaultBackgroundImage = "IMAGE.jpg" # used as default for background images