diff --git a/CMakeLists.txt b/CMakeLists.txt
index 65cad407..ad6c11d8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,8 +16,8 @@ SET(CPACK_PACKAGE_CONTACT "Jon Gough")
 
 SET(VERSION_MAJOR "1")
 SET(VERSION_MINOR "3")
-SET(VERSION_PATCH "30")
-SET(VERSION_DATE "11/03/2017")
+SET(VERSION_PATCH "31")
+SET(VERSION_DATE "12/03/2017")
 
 SET(BUNDLE_DATA FALSE)
 IF( NOT CMAKE_BUILD_TYPE )
diff --git a/src/ocpn_draw_pi.cpp b/src/ocpn_draw_pi.cpp
index f5f36744..c91b2635 100644
--- a/src/ocpn_draw_pi.cpp
+++ b/src/ocpn_draw_pi.cpp
@@ -2157,6 +2157,9 @@ bool ocpn_draw_pi::MouseEventHook( wxMouseEvent &event )
                             m_pSelectedEBL->Resize( m_cursor_lat, m_cursor_lon, true );
                         else
                             m_pSelectedEBL->Resize();
+                    } else if(m_pSelectedPath->m_sTypeString == wxT("Guard Zone")) {
+                        m_pSelectedGZ = (GZ *)m_pSelectedPath;
+                        m_pSelectedGZ->UpdateGZ( m_pFoundODPoint, false );
                     } else if(m_pSelectedPath->m_sTypeString == wxT("PIL")) {
                         m_pSelectedPIL = (PIL *)m_pSelectedPath;
                         m_pSelectedPIL->Resize();