diff --git a/include/llvm/Support/MathExtras.h b/include/llvm/Support/MathExtras.h
index 10d4260..753b199 100644
--- a/include/llvm/Support/MathExtras.h
+++ b/include/llvm/Support/MathExtras.h
@@ -792,7 +792,7 @@
 /// value of the result.
 template <typename T>
 std::enable_if_t<std::is_unsigned<T>::value, T> AbsoluteDifference(T X, T Y) {
-  return X > Y ? X - Y : Y - X;
+  return X > Y ? (X - Y) : (Y - X);
 }
 
 /// Add two unsigned integers, X and Y, of type T.  Clamp the result to the