diff --git a/manifests/Adobe/AdobeDigitalEditions/4.5.11.yaml b/manifests/Adobe/AdobeDigitalEditions/4.5.11.yaml
index 071d30123..6f6df013b 100644
--- a/manifests/Adobe/AdobeDigitalEditions/4.5.11.yaml
+++ b/manifests/Adobe/AdobeDigitalEditions/4.5.11.yaml
@@ -18,5 +18,5 @@ Installers:
     Language: en-US
     Scope: user
     Switches: 
-      Silent: "/S"
-      SilentWithProgress: "/S"
+      Silent: "/S NSS=0"
+      SilentWithProgress: "/S NSS=0"