diff --git a/_Genshtab/gsh_500m_new.zmp/params.txt b/_Genshtab/gsh_500m_new.zmp/params.txt
index 07f5fe9d..678d279c 100644
--- a/_Genshtab/gsh_500m_new.zmp/params.txt
+++ b/_Genshtab/gsh_500m_new.zmp/params.txt
@@ -14,7 +14,7 @@ ParentSubMenu_uk=
 Ext=.jpg
 projection=1
 sradiusa=6378137
-sradiusb=6356752
+sradiusb=6378137
 separator=0
 UseDwn=1
 Sleep=0