diff --git a/libraries/shared/src/AABox.cpp b/libraries/shared/src/AABox.cpp
index b52deaa4ff..3f3146cc04 100644
--- a/libraries/shared/src/AABox.cpp
+++ b/libraries/shared/src/AABox.cpp
@@ -436,7 +436,7 @@ glm::vec3 AABox::getClosestPointOnFace(const glm::vec4& origin, const glm::vec4&
     return getClosestPointOnFace(glm::vec3(origin), face);
 }
 
-bool AABox::touchesAAEllipsoid(const glm::vec3& center, glm::vec3 radials) const {
+bool AABox::touchesAAEllipsoid(const glm::vec3& center, const glm::vec3& radials) const {
     // handle case where ellipsoid's alix-aligned box doesn't touch this AABox
     if (_corner.x - radials.x > center.x ||
         _corner.y - radials.y > center.y ||
diff --git a/libraries/shared/src/AABox.h b/libraries/shared/src/AABox.h
index 022f1a6ff1..a53cc26163 100644
--- a/libraries/shared/src/AABox.h
+++ b/libraries/shared/src/AABox.h
@@ -70,7 +70,7 @@ public:
     bool findRayIntersection(const glm::vec3& origin, const glm::vec3& direction, float& distance,
                                 BoxFace& face, glm::vec3& surfaceNormal) const;
     bool touchesSphere(const glm::vec3& center, float radius) const; // fast but may generate false positives
-    bool touchesAAEllipsoid(const glm::vec3& center, glm::vec3 radials) const;
+    bool touchesAAEllipsoid(const glm::vec3& center, const glm::vec3& radials) const;
     bool findSpherePenetration(const glm::vec3& center, float radius, glm::vec3& penetration) const;
     bool findCapsulePenetration(const glm::vec3& start, const glm::vec3& end, float radius, glm::vec3& penetration) const;