diff --git a/contrib/win32/win32compat/win32_usertoken_utils.c b/contrib/win32/win32compat/win32_usertoken_utils.c
index 7cb6fd2..9a6604f 100644
--- a/contrib/win32/win32compat/win32_usertoken_utils.c
+++ b/contrib/win32/win32compat/win32_usertoken_utils.c
@@ -253,6 +253,11 @@ process_custom_lsa_auth(char* user, const char* pwd, char* lsa_pkg)
 		*tmp = L'\0';
 	}
 
+	if (domw == NULL) {
+		debug("no domain found");
+		goto done;
+	}
+
 	/* call into LSA provider , get and duplicate token */
 	InitLsaString(&logon_process_name, "sshd");
 	InitLsaString(&lsa_auth_package_name, lsa_pkg);