diff --git a/src/feature_imu.cpp b/src/feature_imu.cpp
index ef90fc3f48a4dff25bc59213afd1c59748430fdd..cd1bec5570bfb324be83b80cbae572b32d73b37b 100644
--- a/src/feature_imu.cpp
+++ b/src/feature_imu.cpp
@@ -4,7 +4,8 @@ namespace wolf {
 
 FeatureIMU::FeatureIMU(const Eigen::VectorXs& _delta_preintegrated, const Eigen::MatrixXs& _delta_preintegrated_covariance) :
     FeatureBase("IMU", _delta_preintegrated, _delta_preintegrated_covariance),
-    dp_preint_(_delta_preintegrated.head<3>()),dv_preint_(_delta_preintegrated.segment<3>(7)), dq_preint_(_delta_preintegrated.segment<4>(3))
+    dp_preint_(_delta_preintegrated.head<3>()),dv_preint_(_delta_preintegrated.segment<3>(7)), dq_preint_(_delta_preintegrated.segment<4>(3)),
+    acc_bias_preint_(_delta_preintegrated.segment<3>(10)), gyro_bias_preint_(_delta_preintegrated.tail<3>())
 {
     //std::cout << "New FeatureIMU: measurement " << _measurement.transpose() << std::endl << "covariance" << std::endl << _meas_covariance << std::endl;
 }