diff --git a/hwdb.d/60-sensor.hwdb b/hwdb.d/60-sensor.hwdb
index 7b80e60ee5..396045bffc 100644
--- a/hwdb.d/60-sensor.hwdb
+++ b/hwdb.d/60-sensor.hwdb
@@ -530,6 +530,12 @@ sensor:modalias:acpi:KIOX020A*:dmi:*:pnE2221TMD60691*:*
 #########################################
 # MPMAN
 #########################################
+
+# MPMAN Converter 9, same hw as the I.T.Works TW891 2-in-1
+sensor:modalias:acpi:SMO8500*:dmi:*:svnMPMAN:pnConverter9:*
+ ACCEL_MOUNT_MATRIX=0, 1, 0; 1, 0, 0; 0, 0, 1
+
+# MPMAN MPWIN895C
 sensor:modalias:acpi:BMA250E*:dmi:*:svnMPMAN:pnMPWIN8900CL:*
  ACCEL_MOUNT_MATRIX=1, 0, 0; 0, -1, 0; 0, 0, 1