diff --git a/src/common/math_util.h b/src/common/math_util.h
index 35a1eda755..343cdd902f 100644
--- a/src/common/math_util.h
+++ b/src/common/math_util.h
@@ -19,10 +19,10 @@ inline bool IntervalsIntersect(unsigned start0, unsigned length0, unsigned start
 
 template <class T>
 struct Rectangle {
-    T left;
-    T top;
-    T right;
-    T bottom;
+    T left{};
+    T top{};
+    T right{};
+    T bottom{};
 
     Rectangle() = default;