1 files changed, 2 insertions, 2 deletions
diff --git a/fluid/widgets/Bin_Button.h b/fluid/widgets/Bin_Button.h
index 342fe0eac..e04228c82 100644
--- a/fluid/widgets/Bin_Button.h
+++ b/fluid/widgets/Bin_Button.h
@@ -26,7 +26,7 @@ namespace widget {
 class Bin_Button : public Fl_Button {
 public:
   int handle(int) override;
-  Bin_Button(int X,int Y,int W,int H, const char* l = nullptr) :
+  Bin_Button(int X,int Y,int W,int H, const char* l = 0) :
   Fl_Button(X,Y,W,H,l) { }
 };
 
@@ -34,7 +34,7 @@ public:
 class Bin_Window_Button : public Fl_Button {
 public:
   int handle(int) override;
-  Bin_Window_Button(int X,int Y,int W,int H, const char* l = nullptr) :
+  Bin_Window_Button(int X,int Y,int W,int H, const char* l = 0) :
   Fl_Button(X,Y,W,H,l) { }
 };