1 files changed, 7 insertions, 4 deletions
diff --git a/include/cru/common/Exception.hpp b/include/cru/common/Exception.hpp
index 4e5d3a16..e8395178 100644
--- a/include/cru/common/Exception.hpp
+++ b/include/cru/common/Exception.hpp
@@ -2,21 +2,24 @@
 #include "String.hpp"
 
 namespace cru {
-class CRU_BASE_API Exception {
+class CRU_BASE_API Exception : public std::exception {
  public:
-  Exception() = default;
-  explicit Exception(String message) : message_(std::move(message)) {}
+  Exception();
+  explicit Exception(String message);
 
   CRU_DEFAULT_COPY(Exception)
   CRU_DEFAULT_MOVE(Exception)
 
-  virtual ~Exception() = default;
+  ~Exception() override;
 
  public:
   String GetMessage() const { return message_; }
 
+  const char* what() const noexcept override;
+
  private:
   String message_;
+  mutable std::string utf8_message_;
 };
 
 class CRU_BASE_API TextEncodeException : public Exception {