diff --git a/core/math/math_2d.h b/core/math/math_2d.h
index 8928349a448..cdfd90747b1 100644
--- a/core/math/math_2d.h
+++ b/core/math/math_2d.h
@@ -304,7 +304,7 @@ struct Rect2 {
 
 	inline real_t distance_to(const Vector2 &p_point) const {
 
-		real_t dist;
+		real_t dist = 0.0;
 		bool inside = true;
 
 		if (p_point.x < position.x) {