diff --git a/test/fuzz/fuzz-unit-file/github-19178 b/test/fuzz/fuzz-unit-file/github-19178
new file mode 100644
index 0000000000..982c344e53
--- /dev/null
+++ b/test/fuzz/fuzz-unit-file/github-19178
@@ -0,0 +1,3 @@
+service
+[Service]
+LoadCredential=passwd.hashed-password.root