diff -uNrp a/src/backends/x11/meta-input-settings-x11.c b/src/backends/x11/meta-input-settings-x11.c
--- a/src/backends/x11/meta-input-settings-x11.c	2023-03-16 13:59:31.000000000 +0000
+++ b/src/backends/x11/meta-input-settings-x11.c	2023-05-18 21:31:42.179603713 +0100
@@ -656,7 +656,7 @@ set_device_accel_profile (ClutterInputDe
   guchar values[2] = { 0 }; /* adaptive, flat */
 
   defaults = get_property (device, "libinput Accel Profile Enabled Default",
-                           XA_INTEGER, 8, 2);
+                           XA_INTEGER, 8, 3);
   if (!defaults)
     return;
 
@@ -684,7 +684,7 @@ set_device_accel_profile (ClutterInputDe
     }
 
   change_property (device, "libinput Accel Profile Enabled",
-                   XA_INTEGER, 8, &values, 2);
+                   XA_INTEGER, 8, &values, 3);
 
   meta_XFree (available);