diff --git a/runtime/indent/eterm.vim b/runtime/indent/eterm.vim
index e5fea1d..8ee342f 100644
--- a/runtime/indent/eterm.vim
+++ b/runtime/indent/eterm.vim
@@ -25,11 +25,11 @@
   let ind = indent(lnum)
 
   if getline(lnum) =~ '^\s*begin\>'
-    let ind = ind + &sw
+    let ind = ind + shiftwidth()
   endif
 
   if getline(v:lnum) =~ '^\s*end\>'
-    let ind = ind - &sw
+    let ind = ind - shiftwidth()
   endif
 
   return ind