1 files changed, 1 insertions, 1 deletions
diff --git a/src/persp3d.h b/src/persp3d.h
index db4971635..25db4787c 100644
--- a/src/persp3d.h
+++ b/src/persp3d.h
@@ -27,7 +27,7 @@
 #include "inkscape.h"
 
 class SPBox3D;
-class Box3DContext;
+struct Box3DContext;
 
 class Persp3DImpl {
 public: