1 files changed, 1 insertions, 1 deletions
diff --git a/fluid/widgets/Code_Viewer.h b/fluid/widgets/Code_Viewer.h
index 4198fd433..976462ca1 100644
--- a/fluid/widgets/Code_Viewer.h
+++ b/fluid/widgets/Code_Viewer.h
@@ -37,7 +37,7 @@ namespace widget {
  */
 class Code_Viewer : public Code_Editor {
 public:
-  Code_Viewer(int X, int Y, int W, int H, const char *L = nullptr);
+  Code_Viewer(int X, int Y, int W, int H, const char *L = 0);
 
 protected:
   void draw() override;