diff --git a/gtsam/navigation/tests/testImuFactor.cpp b/gtsam/navigation/tests/testImuFactor.cpp
index 24c283bd2..66b3ba8d2 100644
--- a/gtsam/navigation/tests/testImuFactor.cpp
+++ b/gtsam/navigation/tests/testImuFactor.cpp
@@ -987,7 +987,7 @@ TEST(ImuFactor, bodyPSensorWithBias) {
   Bias zeroBias(Vector3(0, 0, 0), Vector3(0, 0, 0));
   for (int i = 1; i < numFactors; i++) {
     ImuFactor::PreintegratedMeasurements pim =
-        ImuFactor::PreintegratedMeasurements(zeroBias, accCov, gyroCov,
+        ImuFactor::PreintegratedMeasurements(priorBias, accCov, gyroCov,
             integrationCov, true);
     for (int j = 0; j < 200; ++j)
       pim.integrateMeasurement(measuredAcc, measuredOmega, deltaT,