diff --git a/.editorconfig b/.editorconfig
index 52e22ee838..554c76a0e2 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -11,6 +11,7 @@ indent_style = space
 # Code files
 [*.{cs,csx,vb,vbx}]
 indent_size = 4
+charset = utf-8-bom
 
 # Xml project files
 [*.{csproj,vbproj,vcxproj,vcxproj.filters,proj,projitems,shproj}]