diff --git a/roles/distgit/templates/lookaside.conf b/roles/distgit/templates/lookaside.conf
index de5b441c14..08d258d5e4 100644
--- a/roles/distgit/templates/lookaside.conf
+++ b/roles/distgit/templates/lookaside.conf
@@ -3,5 +3,12 @@ Alias /lookaside        /srv/cache/lookaside
     Options Indexes FollowSymLinks
     AllowOverride None
     Require all granted
+    
+{% if env == 'staging' %}
+    # Disable global mod_deflate for lookaside cache 
+    # to prevent double-compression and false gzip headers
+    SetEnv no-gzip 1
+    SetEnv dont-vary 1
+{% endif %}
 </Directory>