diff --git a/databases/sfcgal/files/patch-include_CGAL_boost_graph_iterator.h b/databases/sfcgal/files/patch-include_CGAL_boost_graph_iterator.h
new file mode 100644
index 000000000000..b02e6b3a1723
--- /dev/null
+++ b/databases/sfcgal/files/patch-include_CGAL_boost_graph_iterator.h
@@ -0,0 +1,38 @@
+--- ../CGAL-5.6.1/include/CGAL/boost/graph/iterator.h	2024-02-24 21:04:12 UTC
++++ ../CGAL-5.6.1/include/CGAL/boost/graph/iterator.h
+@@ -214,11 +214,6 @@ class Halfedge_around_source_iterator { (public)
+ 
+ #ifndef DOXYGEN_RUNNING
+ 
+-  explicit operator bool() const
+-  {
+-    return (! (this->base() == nullptr));
+-  }
+-
+   bool operator==( const Self& i) const {
+     CGAL_assertion( anchor == anchor);
+     return  ( g == i.g) && ( pos == i.pos) && ( winding == i.winding);
+@@ -308,11 +303,6 @@ class Halfedge_around_target_iterator { (public)
+ 
+ #ifndef DOXYGEN_RUNNING
+ 
+-  explicit operator bool() const
+-  {
+-    return (! (this->base() == nullptr));
+-  }
+-
+   bool operator==( const Self& i) const {
+     CGAL_assertion( anchor == anchor);
+     return  ( g == i.g) && ( pos == i.pos) && ( winding == i.winding);
+@@ -399,11 +389,6 @@ class Halfedge_around_face_iterator { (public)
+   const value_type& operator *  ( ) const { return  pos; }
+   pointer           operator -> ( )       { return &pos; }
+   const value_type* operator -> ( ) const { return &pos; }
+-
+-  explicit operator bool() const
+-  {
+-    return (! (this->base() == nullptr));
+-  }
+ 
+   bool operator==( const Self& i) const {
+     CGAL_assertion( anchor == anchor);