diff --git a/net/samba419/Makefile b/net/samba419/Makefile
--- a/net/samba419/Makefile
+++ b/net/samba419/Makefile
@@ -1,6 +1,6 @@
 PORTNAME=			${SAMBA4_BASENAME}419
 PORTVERSION=			${SAMBA4_VERSION}
-PORTREVISION=			5
+PORTREVISION=			6
 CATEGORIES?=			net
 MASTER_SITES=			SAMBA/samba/stable SAMBA/samba/rc
 DISTNAME=			${SAMBA4_DISTNAME}
diff --git a/net/samba419/files/patch-python_samba_tdb__util.py b/net/samba419/files/patch-python_samba_tdb__util.py
new file mode 100644
--- /dev/null
+++ b/net/samba419/files/patch-python_samba_tdb__util.py
@@ -0,0 +1,15 @@
+--- python/samba/tdb_util.py.orig	2025-02-17 11:38:24.136379000 +0100
++++ python/samba/tdb_util.py	2025-02-17 11:38:44.171612000 +0100
+@@ -37,9 +37,10 @@
+         raise FileNotFoundError(2, "could not find tdbbackup tool: "
+                                 "is tdb-tools installed?")
+
+-    tdbbackup_cmd = [toolpath, "-s", ".copy.tdb", file1]
+     if readonly:
+-        tdbbackup_cmd.append("-r")
++        tdbbackup_cmd = [toolpath, "-r", "-s", ".copy.tdb", file1]
++    else:
++        tdbbackup_cmd = [toolpath, "-s", ".copy.tdb", file1]
+
+     status = subprocess.check_call(tdbbackup_cmd, close_fds=True, shell=False)
+
diff --git a/net/samba420/Makefile b/net/samba420/Makefile
--- a/net/samba420/Makefile
+++ b/net/samba420/Makefile
@@ -1,6 +1,6 @@
 PORTNAME=			${SAMBA4_BASENAME}420
 PORTVERSION=			${SAMBA4_VERSION}
-PORTREVISION=			1
+PORTREVISION=			2
 CATEGORIES?=			net
 MASTER_SITES=			SAMBA/samba/stable SAMBA/samba/rc
 DISTNAME=			${SAMBA4_DISTNAME}
diff --git a/net/samba420/files/patch-python_samba_tdb__util.py b/net/samba420/files/patch-python_samba_tdb__util.py
new file mode 100644
--- /dev/null
+++ b/net/samba420/files/patch-python_samba_tdb__util.py
@@ -0,0 +1,15 @@
+--- python/samba/tdb_util.py.orig	2025-02-17 11:38:24.136379000 +0100
++++ python/samba/tdb_util.py	2025-02-17 11:38:44.171612000 +0100
+@@ -37,9 +37,10 @@
+         raise FileNotFoundError(2, "could not find tdbbackup tool: "
+                                 "is tdb-tools installed?")
+
+-    tdbbackup_cmd = [toolpath, "-s", ".copy.tdb", file1]
+     if readonly:
+-        tdbbackup_cmd.append("-r")
++        tdbbackup_cmd = [toolpath, "-r", "-s", ".copy.tdb", file1]
++    else:
++        tdbbackup_cmd = [toolpath, "-s", ".copy.tdb", file1]
+
+     status = subprocess.check_call(tdbbackup_cmd, close_fds=True, shell=False)
+