diff --git a/src/narrowphase/narrowphase.cpp b/src/narrowphase/narrowphase.cpp
index 662f7e19a166f060dc5f07efac288a23d6cabf19..8879622192eaf1cacf405a549ff9924b9d1d8a3e 100644
--- a/src/narrowphase/narrowphase.cpp
+++ b/src/narrowphase/narrowphase.cpp
@@ -161,7 +161,7 @@ bool sphereSphereIntersect(const Sphere& s1, const Transform3f& tf1,
   }
 
   if(contact_points)
-    *contact_points = tf1.transform(Vec3f()) + diff * s1.radius / (s1.radius + s2.radius);
+    *contact_points = tf1.transform(Vec3f(0,0,0)) + diff * s1.radius / (s1.radius + s2.radius);
   
   return true;
 }