diff --git a/src/evdev-mt-touchpad-buttons.c b/src/evdev-mt-touchpad-buttons.c
index 8d4e278e..6abf9d5f 100644
--- a/src/evdev-mt-touchpad-buttons.c
+++ b/src/evdev-mt-touchpad-buttons.c
@@ -741,7 +741,7 @@ tp_init_buttons(struct tp_dispatch *tp,
 	/* pinned-finger motion threshold, see tp_unpin_finger.
 	   The MAGIC for resolution-less touchpads ends up as 2% of the diagonal */
 	if (device->abs.fake_resolution) {
-		const int BUTTON_MOTION_MAGIC = 0.007;
+		const double BUTTON_MOTION_MAGIC = 0.007;
 		width = abs(absinfo_x->maximum - absinfo_x->minimum);
 		height = abs(absinfo_y->maximum - absinfo_y->minimum);
 		diagonal = sqrt(width*width + height*height);
diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index 9e60f466..4666870b 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -426,7 +426,7 @@ tp_process_key(struct tp_dispatch *tp,
 static void
 tp_unpin_finger(struct tp_dispatch *tp, struct tp_touch *t)
 {
-	unsigned int xdist, ydist;
+	double xdist, ydist;
 
 	if (!t->pinned.is_pinned)
 		return;