diff --git a/src/ceres_wrapper/solver_ceres.cpp b/src/ceres_wrapper/solver_ceres.cpp
index b2e04de327a97cb76dd955b7506437693f63f4ae..e0995c7be03642c74d9e75b4ce2f266a165d81f3 100644
--- a/src/ceres_wrapper/solver_ceres.cpp
+++ b/src/ceres_wrapper/solver_ceres.cpp
@@ -243,7 +243,7 @@ bool SolverCeres::computeCovariances(const CovarianceBlocksToBeComputed _blocks)
                 not last_frame->hasStateBlock('V') or
                 not isStateBlockRegisteredDerived(last_frame->getStateBlock('V')))
             {
-                WOLF_WARN("SolverCeres::computeCovariances: last KF have null or unregistered state blocks P O or T, returning...");
+                WOLF_WARN("SolverCeres::computeCovariances: last KF have null or unregistered state blocks P or V, returning...");
                 WOLF_WARN_COND(not last_frame->getStateBlock('P'), "SolverCeres::computeCovariances: KF state block 'P' not found");
                 WOLF_WARN_COND(last_frame->getStateBlock('P') and not isStateBlockRegisteredDerived(last_frame->getStateBlock('P')), "SolverCeres::computeCovariances: KF state block 'P' not registered ", last_frame->getStateBlock('P'));
                 WOLF_WARN_COND(not last_frame->getStateBlock('V'), "SolverCeres::computeCovariances: KF state block 'V' not found");