diff --git a/test/fuzz/fuzz-unit-file/directives.service b/test/fuzz/fuzz-unit-file/directives.service
index e2e8f61c67..bdc4515d62 100644
--- a/test/fuzz/fuzz-unit-file/directives.service
+++ b/test/fuzz/fuzz-unit-file/directives.service
@@ -151,6 +151,7 @@ MemorySwapMax=
 MessageQueueMaxMessages=
 MessageQueueMessageSize=
 MountAPIVFS=
+NetworkNamespacePath=
 NoDelay=
 NoExecPaths=
 NoNewPrivileges=