diff --git a/harmonicmaps-eoc.cc b/harmonicmaps-eoc.cc
index 673179658271cd2a3874225139bc2bc4a8363668..74ff89281a9017808a6819b1288efa9e8269cc64 100644
--- a/harmonicmaps-eoc.cc
+++ b/harmonicmaps-eoc.cc
@@ -34,7 +34,7 @@ const int dim = 3;
 typedef UnitVector<3> TargetSpace;
 typedef std::vector<TargetSpace> SolutionType;
 
-const int blocksize = TargetSpace::TangentVector::size;
+const int blocksize = TargetSpace::TangentVector::dimension;
 
 using namespace Dune;
 using std::string;