diff --git a/man/NetworkManager.conf.xml b/man/NetworkManager.conf.xml
index 65cad02cf9..6c055e9d2e 100644
--- a/man/NetworkManager.conf.xml
+++ b/man/NetworkManager.conf.xml
@@ -895,7 +895,7 @@ ipv6.ip6-privacy=0
         </varlistentry>
         <varlistentry>
           <term><varname>connection.mptcp-flags</varname></term>
-          <listitem><para>If unspecified, the fallback is 0x22 (<literal>"enabled,subflow"</literal>). Note that if sysctl <literal>/proc/sys/net/mptcp/enabled</literal> is disabled, NetworkManager will still not configure endpoints.</para></listitem>
+          <listitem><para>If unspecified, the fallback is 0x122 (<literal>"enabled,subflow,laminar"</literal>). Note that if sysctl <literal>/proc/sys/net/mptcp/enabled</literal> is disabled, NetworkManager will still not configure endpoints.</para></listitem>
         </varlistentry>
         <varlistentry>
           <term><varname>connection.dns-over-tls</varname></term>
diff --git a/src/libnm-core-aux-intern/nm-libnm-core-utils.h b/src/libnm-core-aux-intern/nm-libnm-core-utils.h
index 432a21409f..0e75982ecc 100644
--- a/src/libnm-core-aux-intern/nm-libnm-core-utils.h
+++ b/src/libnm-core-aux-intern/nm-libnm-core-utils.h
@@ -307,7 +307,8 @@ gpointer _nm_connection_new_setting(NMConnection *connection, GType gtype);
                      | NM_MPTCP_FLAGS_SUBFLOW | NM_MPTCP_FLAGS_BACKUP | NM_MPTCP_FLAGS_FULLMESH \
                      | NM_MPTCP_FLAGS_LAMINAR))
 
-#define _NM_MPTCP_FLAGS_DEFAULT ((NMMptcpFlags) (NM_MPTCP_FLAGS_ENABLED | NM_MPTCP_FLAGS_SUBFLOW))
+#define _NM_MPTCP_FLAGS_DEFAULT \
+    ((NMMptcpFlags) (NM_MPTCP_FLAGS_ENABLED | NM_MPTCP_FLAGS_SUBFLOW | NM_MPTCP_FLAGS_LAMINAR))
 
 NMMptcpFlags nm_mptcp_flags_normalize(NMMptcpFlags flags);