diff --git a/data/fprintd.service.in b/data/fprintd.service.in
index 24d7f5d..5f46810 100644
--- a/data/fprintd.service.in
+++ b/data/fprintd.service.in
@@ -17,6 +17,7 @@ PrivateTmp=true
 
 # Network
 PrivateNetwork=true
+RestrictAddressFamilies=AF_UNIX AF_LOCAL AF_NETLINK
 
 # Execute Mappings
 MemoryDenyWriteExecute=true