diff --git a/lib/redis/rediswriter-objects.cpp b/lib/redis/rediswriter-objects.cpp
index 3471cae17..5821ef9e0 100644
--- a/lib/redis/rediswriter-objects.cpp
+++ b/lib/redis/rediswriter-objects.cpp
@@ -262,6 +262,8 @@ void RedisWriter::SendConfigUpdate(const ConfigObject::Ptr& object, bool useTran
 		if (service)
 			checkSums->Set("service_checksum", GetObjectIdentifier(service));
 
+		propertiesBlacklist.emplace("users");
+
 		userChecksums->Reserve(users.size());
 		userNames->Reserve(users.size());
 
@@ -273,6 +275,8 @@ void RedisWriter::SendConfigUpdate(const ConfigObject::Ptr& object, bool useTran
 		checkSums->Set("user_checksums", userChecksums);
 		checkSums->Set("users_checksum", CalculateCheckSumArray(userNames));
 
+		propertiesBlacklist.emplace("user_groups");
+
 		usergroupChecksums->Reserve(usergroups.size());
 		usergroupNames->Reserve(usergroups.size());