diff --git a/libraries/animation/src/AnimSkeleton.cpp b/libraries/animation/src/AnimSkeleton.cpp
index 5976231d83..e00cad9bc7 100644
--- a/libraries/animation/src/AnimSkeleton.cpp
+++ b/libraries/animation/src/AnimSkeleton.cpp
@@ -78,12 +78,15 @@ int AnimSkeleton::getParentIndex(int jointIndex) const {
     return _joints[jointIndex].parentIndex;
 }
 
-QVector<int> AnimSkeleton::getChildrenOfJoint(int jointIndex) const {
+std::vector<int> AnimSkeleton::getChildrenOfJoint(int jointIndex) const {
     // Children and grandchildren, etc.
-    QVector<int> result;
-    for (int i = jointIndex + 1; i < (int)_joints.size(); i++) {
-        if (_joints[i].parentIndex == jointIndex || result.contains(_joints[i].parentIndex)) {
-            result.push_back(i);
+    std::vector<int> result;
+    if (jointIndex != -1) {
+        for (int i = jointIndex + 1; i < (int)_joints.size(); i++) {
+            if (_joints[i].parentIndex == jointIndex 
+                    || (std::find(result.begin(), result.end(), _joints[i].parentIndex) != result.end())) {
+                result.push_back(i);
+            }
         }
     }
     return result;
diff --git a/libraries/animation/src/AnimSkeleton.h b/libraries/animation/src/AnimSkeleton.h
index 52f3ac7182..27dbf5ea92 100644
--- a/libraries/animation/src/AnimSkeleton.h
+++ b/libraries/animation/src/AnimSkeleton.h
@@ -43,7 +43,7 @@ public:
     const AnimPose& getPostRotationPose(int jointIndex) const;
 
     int getParentIndex(int jointIndex) const;
-    QVector<int> getChildrenOfJoint(int jointIndex) const;
+    std::vector<int> getChildrenOfJoint(int jointIndex) const;
 
     AnimPose getAbsolutePose(int jointIndex, const AnimPoseVec& relativePoses) const;
 
diff --git a/libraries/animation/src/Rig.h b/libraries/animation/src/Rig.h
index 72f9f64482..e30b5d655c 100644
--- a/libraries/animation/src/Rig.h
+++ b/libraries/animation/src/Rig.h
@@ -269,8 +269,8 @@ protected:
 
     int _leftEyeJointIndex { -1 };
     int _rightEyeJointIndex { -1 };
-    QVector<int> _leftEyeJointChildren;
-    QVector<int> _rightEyeJointChildren;
+    std::vector<int> _leftEyeJointChildren;
+    std::vector<int> _rightEyeJointChildren;
 
     int _leftHandJointIndex { -1 };
     int _leftElbowJointIndex { -1 };