diff --git a/rod3d.cc b/rod3d.cc
index 617319a87dca17a3a7148414ea4565c00213d4d4..64edfae5846b16896933dab5b1cbf006a7e98a60 100644
--- a/rod3d.cc
+++ b/rod3d.cc
@@ -21,7 +21,7 @@
 
 typedef RigidBodyMotion<3> TargetSpace;
 
-const int blocksize = TargetSpace::TangentVector::size;
+const int blocksize = TargetSpace::TangentVector::dimension;
 
 using namespace Dune;
 using std::string;