diff --git a/OdeWorld.h b/OdeWorld.h
index 97b3d66..2377e00 100644
--- a/OdeWorld.h
+++ b/OdeWorld.h
@@ -10,6 +10,8 @@
 class OdeWorld
 {
     public:
+        enum GeomType { CUBE, SPHERE, PLANE, CYLINDER, CCYLINDER };
+
         OdeWorld();
         ~OdeWorld();