diff --git a/Doc/changelog.docu b/Doc/changelog.docu
index 9544b5ef..67971d0b 100644
--- a/Doc/changelog.docu
+++ b/Doc/changelog.docu
@@ -8,7 +8,13 @@
 <!-- --------------------------------------------------------------------- -->
 
 
-<tr valign=top><td><b>2.4</b> (?/?/?,Rev.820)</td><td>
+<tr valign=top><td><b>2.4</b> (?/?/?,Rev.821)</td><td>
+
+<b>Vector Type</b>
+<ul>
+<li>vector_type min(const vector_type& _rhs) and vector_type max(const vector_type& _rhs) are declared const now. (Thanks to Vladimir Chalupecky for the hint)</li>
+<li>minimize and maximize return vector_type& (reference) instead of vector_type (value) to allow chaining p.minimize(p1).minimize(p2). (Thanks to Vladimir Chalupecky for the hint)</li>
+</ul>
 
 <b>IO</b>
 <ul>
diff --git a/src/OpenMesh/Core/Geometry/VectorT_inc.hh b/src/OpenMesh/Core/Geometry/VectorT_inc.hh
index 6bf9c732..905f6bd3 100644
--- a/src/OpenMesh/Core/Geometry/VectorT_inc.hh
+++ b/src/OpenMesh/Core/Geometry/VectorT_inc.hh
@@ -535,7 +535,7 @@ public:
 
 
   /// minimize values: same as *this = min(*this, _rhs), but faster
-  inline vector_type minimize(const vector_type& _rhs) {
+  inline vector_type& minimize(const vector_type& _rhs) {
 #define expr(i) if (_rhs[i] < Base::values_[i]) Base::values_[i] = _rhs[i];
     unroll(expr);
 #undef expr
@@ -552,7 +552,7 @@ public:
   }
 
   /// maximize values: same as *this = max(*this, _rhs), but faster
-  inline vector_type maximize(const vector_type& _rhs) {
+  inline vector_type& maximize(const vector_type& _rhs) {
 #define expr(i) if (_rhs[i] > Base::values_[i]) Base::values_[i] = _rhs[i];
     unroll(expr);
 #undef expr
@@ -569,12 +569,12 @@ public:
   }
 
   /// component-wise min
-  inline vector_type min(const vector_type& _rhs) {
+  inline vector_type min(const vector_type& _rhs) const {
     return vector_type(*this).minimize(_rhs);
   }
 
   /// component-wise max
-  inline vector_type max(const vector_type& _rhs) {
+  inline vector_type max(const vector_type& _rhs) const {
     return vector_type(*this).maximize(_rhs);
   }