diff --git a/man/smbios-type-11.xml b/man/smbios-type-11.xml
index 95754333a8..c881592722 100644
--- a/man/smbios-type-11.xml
+++ b/man/smbios-type-11.xml
@@ -88,9 +88,10 @@
       <varlistentry>
         <term><varname>io.systemd.boot.loglevel=</varname><replaceable>LEVEL</replaceable></term>
 
-        <listitem><para>This allows configuration of the log level, and is read by <command>systemd-boot</command>.
-        For details see
-        <citerefentry><refentrytitle>systemd-boot</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
+        <listitem><para>This allows configuration of the log level, and is read by
+        <command>systemd-boot</command> and <command>systemd-stub</command>.  For details see
+        <citerefentry><refentrytitle>systemd-boot</refentrytitle><manvolnum>7</manvolnum></citerefentry> and
+        <citerefentry><refentrytitle>systemd-stub</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
 
         <xi:include href="version-info.xml" xpointer="v259"/></listitem>
       </varlistentry>
diff --git a/man/systemd-stub.xml b/man/systemd-stub.xml
index 2b40c1e561..251d79ea6e 100644
--- a/man/systemd-stub.xml
+++ b/man/systemd-stub.xml
@@ -789,6 +789,16 @@
 
         <xi:include href="version-info.xml" xpointer="v254"/></listitem>
       </varlistentry>
+
+      <varlistentry>
+        <term><varname>io.systemd.boot.loglevel</varname></term>
+        <listitem><para>If set, the value of this string is used as log level. Valid values (from most to
+        least critical) are <literal>emerg</literal>, <literal>alert</literal>, <literal>crit</literal>,
+        <literal>err</literal>, <literal>warning</literal>, <literal>notice</literal>, <literal>info</literal>,
+        and <literal>debug</literal>.</para>
+
+        <xi:include href="version-info.xml" xpointer="v261"/></listitem>
+      </varlistentry>
     </variablelist>
   </refsect1>
 
diff --git a/src/boot/stub.c b/src/boot/stub.c
index 90f28a8ae3..7ef5a43a04 100644
--- a/src/boot/stub.c
+++ b/src/boot/stub.c
@@ -1232,6 +1232,8 @@ static EFI_STATUS run(EFI_HANDLE image) {
         unsigned profile = 0;
         EFI_STATUS err;
 
+        log_set_max_level_from_smbios();
+
         err = BS->HandleProtocol(image, MAKE_GUID_PTR(EFI_LOADED_IMAGE_PROTOCOL), (void **) &loaded_image);
         if (err != EFI_SUCCESS)
                 return log_error_status(err, "Error getting a LoadedImageProtocol handle: %m");