diff --git a/testing/web-platform/meta/fetch/connection-pool/network-partition-key.html.ini b/testing/web-platform/meta/fetch/connection-pool/network-partition-key.html.ini
index b1f8811cf085..d9ec182b3a60 100644
--- a/testing/web-platform/meta/fetch/connection-pool/network-partition-key.html.ini
+++ b/testing/web-platform/meta/fetch/connection-pool/network-partition-key.html.ini
@@ -1,3 +1,4 @@
+prefs: [privacy.partition.network_state:true]
 [network-partition-key.html]
   expected: TIMEOUT
   [CSP sandbox]