1 files changed, 2 insertions, 2 deletions
diff --git a/boost/geometry/algorithms/detail/is_simple/multipoint.hpp b/boost/geometry/algorithms/detail/is_simple/multipoint.hpp
index 71c9e6ba90..f9f43d1cdb 100644
--- a/boost/geometry/algorithms/detail/is_simple/multipoint.hpp
+++ b/boost/geometry/algorithms/detail/is_simple/multipoint.hpp
@@ -40,9 +40,9 @@ struct is_simple_multipoint
 {
     static inline bool apply(MultiPoint const& multipoint)
     {
-        if ( boost::size(multipoint) == 0 )
+        if (boost::empty(multipoint))
         {
-            return false;
+            return true;
         }
 
         MultiPoint mp(multipoint);