diff --git a/VirtualRobot/IK/ConstrainedOptimizationIK.cpp b/VirtualRobot/IK/ConstrainedOptimizationIK.cpp
index 07518182598eedef644611af3bbc55758af63fd7..6e8da08eae457727006b9158e6ea6d0835eb7516 100644
--- a/VirtualRobot/IK/ConstrainedOptimizationIK.cpp
+++ b/VirtualRobot/IK/ConstrainedOptimizationIK.cpp
@@ -222,7 +222,7 @@ bool ConstrainedOptimizationIK::solve(bool stepwise)
     robot->updatePose(true);
 
     std::cout << "FAILURE, miminal error: " << currentMinError << std::endl;
-    currentMinOutput.print();
+    std::cout << currentMinOutput.toString() << std::endl;
 
     return false;
 }