X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fuci.h;h=b928e8aeebfe89c003eb92b42a9f896ef9b30f2d;hp=f4dbbc059b5c1f7ec7450dd8653e8670cd5d0113;hb=3017e8c60401ecd92468a9ede3368002c4ddd440;hpb=3c07603dac03f0da20194097cf4eb1a396fea60d

diff --git a/src/uci.h b/src/uci.h
index f4dbbc05..b928e8ae 100644
--- a/src/uci.h
+++ b/src/uci.h
@@ -45,10 +45,10 @@ class Option {
   typedef void (*OnChange)(const Option&);
 
 public:
-  Option(OnChange = nullptr);
-  Option(bool v, OnChange = nullptr);
-  Option(const char* v, OnChange = nullptr);
-  Option(int v, int min, int max, OnChange = nullptr);
+  Option(OnChange = NULL);
+  Option(bool v, OnChange = NULL);
+  Option(const char* v, OnChange = NULL);
+  Option(int v, int min, int max, OnChange = NULL);
 
   Option& operator=(const std::string&);
   void operator<<(const Option&);