diff --git a/include/sway/input/seat.h b/include/sway/input/seat.h
index 4118df665..a2b5d2a1b 100644
--- a/include/sway/input/seat.h
+++ b/include/sway/input/seat.h
@@ -239,7 +239,7 @@ enum wlr_edges find_resize_edge(struct sway_container *cont,
 void seatop_begin_default(struct sway_seat *seat);
 
 void seatop_begin_down(struct sway_seat *seat, struct sway_container *con,
-		uint32_t time_msec, int sx, int sy);
+		uint32_t time_msec, double sx, double sy);
 
 void seatop_begin_move_floating(struct sway_seat *seat,
 		struct sway_container *con);
diff --git a/sway/input/seatop_down.c b/sway/input/seatop_down.c
index 844cf5ab7..7607a598e 100644
--- a/sway/input/seatop_down.c
+++ b/sway/input/seatop_down.c
@@ -90,7 +90,7 @@ static const struct sway_seatop_impl seatop_impl = {
 };
 
 void seatop_begin_down(struct sway_seat *seat, struct sway_container *con,
-		uint32_t time_msec, int sx, int sy) {
+		uint32_t time_msec, double sx, double sy) {
 	seatop_end(seat);
 
 	struct seatop_down_event *e =