diff --git a/demo/src/torus.cc b/demo/src/torus.cc
index 6d854270dc603c23fb50c5d5619e556c57c990fc..964ba77c1cd5e907926aaee48fdef47a739b41c5 100644
--- a/demo/src/torus.cc
+++ b/demo/src/torus.cc
@@ -11,7 +11,7 @@ public:
     x[2] = -x[0] * sin(angle) + x[2] * cos(angle);
     x[0] = x0;
     return x;
-  };
+  }
 };
 
 // ===========================================================================