diff --git a/src/common/rectangle.h b/src/common/rectangle.h
index bb2fa4dff..c7369e57e 100644
--- a/src/common/rectangle.h
+++ b/src/common/rectangle.h
@@ -10,11 +10,8 @@ namespace Common {
 template<typename T>
 struct Rectangle
 {
-  enum : T
-  {
-    InvalidMinCoord = std::numeric_limits<T>::max(),
-    InvalidMaxCoord = std::numeric_limits<T>::min()
-  };
+  static constexpr T InvalidMinCoord = std::numeric_limits<T>::max();
+  static constexpr T InvalidMaxCoord = std::numeric_limits<T>::min();
 
   /// Default constructor - initializes to an invalid coordinate range suitable for including points.
   constexpr Rectangle() : left(InvalidMinCoord), top(InvalidMinCoord), right(InvalidMaxCoord), bottom(InvalidMaxCoord)