diff --git a/libssh2-cve-2026-55200-poc/poc/libpwn_local_rce_exploit.py b/libssh2-cve-2026-55200-poc/poc/libpwn_local_rce_exploit.py
index bb3e18a..fc9e308 100644
--- a/libssh2-cve-2026-55200-poc/poc/libpwn_local_rce_exploit.py
+++ b/libssh2-cve-2026-55200-poc/poc/libpwn_local_rce_exploit.py
@@ -110,6 +110,7 @@ def run_exploit(args):
     if rc != 0:
         raise SystemExit("FAIL: harness exited non-zero")
     if not proof.exists():
+        raise SystemExit("FAIL: proof file was not created. Please ensure the command is provided correctly.")
         raise SystemExit("FAIL: proof file was not created")
     proof_text = proof.read_text(errors="replace").strip()
     if "libpwn-rce-verified" not in proof_text: