diff -up ./src/cli/fapolicyd-cli.c.args ./src/cli/fapolicyd-cli.c
--- ./src/cli/fapolicyd-cli.c.args	2020-05-24 19:23:27.000000000 +0200
+++ ./src/cli/fapolicyd-cli.c	2020-06-01 11:58:01.397204265 +0200
@@ -232,6 +232,9 @@ static int do_manage_files(int argc, cha
 		 else
 			rc = file_update("/");
 
+	} else {
+		fprintf(stderr, "Missing operation option add|delete|update\n\n");
+		goto args_err;
 	}
 
 	return rc;