diff --git a/syntax/beluga.vim b/syntax/beluga.vim
index 7480a9b..78b4391 100644
--- a/syntax/beluga.vim
+++ b/syntax/beluga.vim
@@ -3,7 +3,7 @@ if exists('b:current_syntax')
 endif
 let b:current_syntax = 'beluga'
 
-setlocal iskeyword=48-57,a-z,A-Z,!,$,&,',*,+,_,/,=,@,-,~,#,^
+setlocal iskeyword=@,48-57,63-64,a-z,A-Z,!,$,&,',*,+,_,/,=,-,~,#,^
 setlocal comments=b:%,srn:%{,m:\ ,ern:}%
 setlocal commentstring=%%s