diff --git a/dix/getevents.c b/dix/getevents.c
index 7678aa1f2d..6ea4ba0106 100644
--- a/dix/getevents.c
+++ b/dix/getevents.c
@@ -360,6 +360,7 @@ updateSlaveDeviceCoords(DeviceIntPtr master, DeviceIntPtr pDev)
             if (i >= lastSlave->valuator->numAxes)
             {
                 pDev->last.valuators[i] = 0;
+                valuator_mask_set_double(pDev->last.scroll, i, 0);
             }
             else
             {
@@ -367,6 +368,7 @@ updateSlaveDeviceCoords(DeviceIntPtr master, DeviceIntPtr pDev)
                 val = rescaleValuatorAxis(val, lastSlave->valuator->axes + i,
                                           pDev->valuator->axes + i, 0, 0);
                 pDev->last.valuators[i] = val;
+                valuator_mask_set_double(pDev->last.scroll, i, val);
             }
         }
     }