diff --git a/Linear_cell_complex/include/CGAL/Linear_cell_complex_for_combinatorial_map.h b/Linear_cell_complex/include/CGAL/Linear_cell_complex_for_combinatorial_map.h
index 17082ce7310..48519960458 100644
--- a/Linear_cell_complex/include/CGAL/Linear_cell_complex_for_combinatorial_map.h
+++ b/Linear_cell_complex/include/CGAL/Linear_cell_complex_for_combinatorial_map.h
@@ -148,6 +148,12 @@ namespace CGAL {
         Base(alcc, converters, dartinfoconverter, pointconverter)
       {}
 
+      Self & operator= (const Self & alcc)
+      {
+        Base::operator=(alcc);
+        return *this;
+      }
+      
       /** Import the given hds which should be a model of an halfedge graph. */
       template<class HEG, class PointConverter>
       void import_from_halfedge_graph(const HEG& heg              ,
diff --git a/Linear_cell_complex/include/CGAL/Linear_cell_complex_for_generalized_map.h b/Linear_cell_complex/include/CGAL/Linear_cell_complex_for_generalized_map.h
index 14782d3fed8..079a5143c7f 100644
--- a/Linear_cell_complex/include/CGAL/Linear_cell_complex_for_generalized_map.h
+++ b/Linear_cell_complex/include/CGAL/Linear_cell_complex_for_generalized_map.h
@@ -144,6 +144,11 @@ namespace CGAL {
         Base(alcc, converters, dartinfoconverter, pointconverter)
       {}
 
+      Self & operator= (const Self & alcc)
+      {
+        Base::operator=(alcc);
+        return *this;
+      }
     };
 
 } // namespace CGAL