1 files changed, 5 insertions, 4 deletions
diff --git a/src/NullOutputFile.h b/src/NullOutputFile.h
index 97c05562..a1a71c0e 100644
--- a/src/NullOutputFile.h
+++ b/src/NullOutputFile.h
@@ -42,10 +42,11 @@ namespace aria2 {
 class NullOutputFile:public OutputFile {
 public:
   virtual ~NullOutputFile() {}
-  virtual size_t write(const char* str) { return 0; }
-  virtual int flush() { return 0; }
-  virtual int vprintf(const char* format, va_list va) { return 0; }
-  virtual bool supportsColor() { return false; }
+  virtual size_t write(const char* str) CXX11_OVERRIDE { return 0; }
+  virtual int flush() CXX11_OVERRIDE { return 0; }
+  virtual int vprintf(const char* format, va_list va) CXX11_OVERRIDE
+  { return 0; }
+  virtual bool supportsColor() CXX11_OVERRIDE { return false; }
 };
 
 } // namespace aria2