diff --git a/main.zig b/main.zig
index ad2a448..c9492e8 100644
--- a/main.zig
+++ b/main.zig
@@ -30,7 +30,7 @@ const Point = struct {
 
     fn add(self: *Self, other: Self) void {
         self.x += other.x;
-        self.y += other.x;
+        self.y += other.y;
     }
 
     fn added(self: *const Self, other: Self) Self {