diff --git a/src/Point2.cpp b/src/Point2.cpp
index d419f58..5340d53 100644
--- a/src/Point2.cpp
+++ b/src/Point2.cpp
@@ -41,7 +41,7 @@ bool Point2::operator==(const Point2& rhs) const
 
 bool Point2::operator!=(const Point2& rhs) const
 {
-    return !(x == y);
+    return !(*this == rhs);
 }
 
 Point2 Point2::operator+(const Point2& rhs) const