=== modified file 'dracut-module/password-agent.c'
--- dracut-module/password-agent.c	2023-02-07 19:18:35 +0000
+++ dracut-module/password-agent.c	2023-02-07 19:50:53 +0000
@@ -2661,7 +2661,7 @@
   bool password_is_read = false;
   const char helper_directory[] = "/nonexistent";
   const char *const argv[] = { "/bin/sh", "-c",
-    "echo -n ${MANDOSPLUGINHELPERDIR}", NULL };
+    "printf %s \"${MANDOSPLUGINHELPERDIR}\"", NULL };
 
   const bool success = start_mandos_client(queue, epoll_fd,
 					   &mandos_client_exited,