diff --git a/src/add-ons/kernel/drivers/arch/x86/ps2mouse/ps2mouse.c b/src/add-ons/kernel/drivers/arch/x86/ps2mouse/ps2mouse.c
index 2b4c270fc7..968658a56d 100644
--- a/src/add-ons/kernel/drivers/arch/x86/ps2mouse/ps2mouse.c
+++ b/src/add-ons/kernel/drivers/arch/x86/ps2mouse/ps2mouse.c
@@ -277,7 +277,8 @@ packet_to_movement(uint8 packet[], mouse_movement *pos)
 		pos->clicks = sClickCount;
 		pos->modifiers = 0;
 		pos->timestamp = currentTime;
-		pos->wheel_delta = 0;
+		pos->wheel_ydelta = 0;
+		pos->wheel_xdelta = 0;
 	}
 }