diff --git a/src/BVH/BVH.cxx b/src/BVH/BVH.cxx
index 15844cd07b..1a29545401 100644
--- a/src/BVH/BVH.cxx
+++ b/src/BVH/BVH.cxx
@@ -25,6 +25,10 @@
 
 // Specific instantiations of struct templates to avoid compilation warnings
 
+template class NCollection_Vec2<Standard_Real>;
+template class NCollection_Vec3<Standard_Real>;
+template class NCollection_Vec4<Standard_Real>;
+
 template class BVH_Box<Standard_Real, 2>;
 template class BVH_Box<Standard_Real, 3>;
 template class BVH_Box<Standard_Real, 4>;
diff --git a/src/NCollection/NCollection_Vec3.hxx b/src/NCollection/NCollection_Vec3.hxx
index e0568a25c8..a666aa243b 100644
--- a/src/NCollection/NCollection_Vec3.hxx
+++ b/src/NCollection/NCollection_Vec3.hxx
@@ -284,7 +284,7 @@ public:
   //! Compute per-component division by scale factor.
   NCollection_Vec3 operator/ (const Element_t theInvFactor)
   {
-    NCollection_Vec3 aResult (this);
+    NCollection_Vec3 aResult (*this);
     return aResult /= theInvFactor;
   }