diff --git a/src/tasks/eepos.cpp b/src/tasks/eepos.cpp
index 29c9d90f609ae0670857a381c3780b97e2654d29..2118c9f9065ac9918272d5446e9324b22fa39f44 100644
--- a/src/tasks/eepos.cpp
+++ b/src/tasks/eepos.cpp
@@ -151,8 +151,11 @@ void CTaskEEPOS::TaskErrorJac(const UAM::CHT& HT, UAM::CArm& arm, const Eigen::M
   Eigen::MatrixXd RRb_in_w = Eigen::MatrixXd::Zero(6,6);
   Eigen::Matrix3d Rarmb_in_b = HT.armbase_in_baselink.block(0,0,3,3);
   Eigen::Matrix3d Rl1_in_armb = HT.link1_in_armbase.block(0,0,3,3);
-  RRb_in_w.block(0,0,3,3) = Rb_in_w * Rarmb_in_b * Rl1_in_armb;
-  RRb_in_w.block(3,3,3,3) = RRb_in_w.block(0,0,3,3);
+  // TODO: resolve why these blocks are different
+  RRb_in_w.block(0,0,3,3) =  Rb_in_w;
+  RRb_in_w.block(3,3,3,3) =  Rb_in_w * Rarmb_in_b * Rl1_in_armb;
+  // RRb_in_w.block(0,0,3,3) = Rb_in_w * Rarmb_in_b * Rl1_in_armb;
+  // RRb_in_w.block(3,3,3,3) = RRb_in_w.block(0,0,3,3);
   JEEPOS_omw.block(0,6,6,arm.nj) = RRb_in_w * ArmJac;
 
   Eigen::MatrixXd omega2euldiff_in_w = Eigen::MatrixXd::Zero(6,6);