diff --git a/libraries/animation/src/AnimInverseKinematics.cpp b/libraries/animation/src/AnimInverseKinematics.cpp
index 63977c4d0f..49ff7feda6 100644
--- a/libraries/animation/src/AnimInverseKinematics.cpp
+++ b/libraries/animation/src/AnimInverseKinematics.cpp
@@ -322,7 +322,7 @@ void AnimInverseKinematics::initConstraints() {
     // compute corresponding absolute poses
     int numJoints = (int)_defaultRelativePoses.size();
     AnimPoseVec absolutePoses;
-    absolutePoses.reserve(numJoints);
+    absolutePoses.resize(numJoints);
     for (int i = 0; i < numJoints; ++i) {
         int parentIndex = _skeleton->getParentIndex(i);
         if (parentIndex < 0) {