diff --git a/src/physics/triangle_mesh.hpp b/src/physics/triangle_mesh.hpp
index 849cafb1d..a63ebf8a3 100644
--- a/src/physics/triangle_mesh.hpp
+++ b/src/physics/triangle_mesh.hpp
@@ -41,7 +41,7 @@ private:
     btDefaultMotionState        *m_motion_state;
     btCollisionShape            *m_collision_shape;
 public:
-         TriangleMesh() : m_mesh() {};
+         TriangleMesh();
         ~TriangleMesh();
     void addTriangle(const btVector3 &t1, const btVector3 &t2, 
                      const btVector3 &t3, const Material* m);