diff --git a/security/sandbox/linux/broker/SandboxBrokerPolicyFactory.cpp b/security/sandbox/linux/broker/SandboxBrokerPolicyFactory.cpp
index 9ec0365fb0cc..147a3bb77215 100644
--- a/security/sandbox/linux/broker/SandboxBrokerPolicyFactory.cpp
+++ b/security/sandbox/linux/broker/SandboxBrokerPolicyFactory.cpp
@@ -693,6 +693,7 @@ SandboxBrokerPolicyFactory::GetSocketProcessPolicy(int aPid) {
   policy->AddDir(rdonly, "/usr/lib64");
   policy->AddDir(rdonly, "/usr/share");
   policy->AddDir(rdonly, "/usr/local/share");
+  policy->AddDir(rdonly, "/etc");
 
   AddLdconfigPaths(policy.get());