diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index 109441d2..6c63cb6c 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -28,9 +28,9 @@
 
 #include "evdev-mt-touchpad.h"
 
-#define DEFAULT_CONSTANT_ACCEL_NUMERATOR 50
-#define DEFAULT_MIN_ACCEL_FACTOR 0.16
-#define DEFAULT_MAX_ACCEL_FACTOR 1.0
+#define DEFAULT_CONSTANT_ACCEL_NUMERATOR 100
+#define DEFAULT_MIN_ACCEL_FACTOR 0.20
+#define DEFAULT_MAX_ACCEL_FACTOR 0.40
 #define DEFAULT_HYSTERESIS_MARGIN_DENOMINATOR 700.0
 
 static inline int