diff --git a/customize_rootfs.sh b/customize_rootfs.sh
index e0f2b0634d..be048bbbe0 100755
--- a/customize_rootfs.sh
+++ b/customize_rootfs.sh
@@ -329,6 +329,7 @@ Section "InputDevice"
     Option     "CorePointer"
     Option     "MinSpeed" "0.2"
     Option     "MaxSpeed" "0.5"
+    Option     "AccelFactor" "0.002"
     Option     "HorizScrollDelta" "100"
     Option     "VertScrollDelta" "100"
     Option     "HorizEdgeScroll" "0"