diff --git a/ftplugin/scala.vim b/ftplugin/scala.vim
index 9dc1096..2c0361a 100644
--- a/ftplugin/scala.vim
+++ b/ftplugin/scala.vim
@@ -25,8 +25,8 @@ setlocal commentstring=//\ %s
 
 setlocal shiftwidth=2 softtabstop=2 expandtab
 
-setlocal include='^\s*import'
-setlocal includeexpr='substitute(v:fname,"\\.","/","g")'
+setlocal include=^\\s*import
+setlocal includeexpr=substitute(v:fname,'\\.','/','g')
 
 setlocal path+=src/main/scala,src/test/scala
 setlocal suffixesadd=.scala