diff --git a/Implicit.hpp b/Implicit.hpp
index 8a45776..9e1a341 100644
--- a/Implicit.hpp
+++ b/Implicit.hpp
@@ -3,4 +3,4 @@
 class ImplicitSurface {
     public:
         virtual double operator() (double x, double y, double z);
-}
+};