diff --git a/libraries/hfm/src/hfm/HFM.cpp b/libraries/hfm/src/hfm/HFM.cpp
index e930f30d1a..6a9a714234 100644
--- a/libraries/hfm/src/hfm/HFM.cpp
+++ b/libraries/hfm/src/hfm/HFM.cpp
@@ -166,7 +166,9 @@ void HFMModel::computeKdops() {
         glm::vec3(INV_SQRT_3,  INV_SQRT_3, -INV_SQRT_3),
         glm::vec3(INV_SQRT_3, -INV_SQRT_3, -INV_SQRT_3)
     };
-
+    if (joints.size() != shapeVertices.size()) {
+        return;
+    }
     // now that all joints have been scanned compute a k-Dop bounding volume of mesh
     for (int i = 0; i < joints.size(); ++i) {
         HFMJoint& joint = joints[i];