diff --git a/contrib/pyopencl.vim b/contrib/pyopencl.vim
index 4b5c4eb883d1f4e9f87e93403dc0dfe07c4a12a4..e3e5fa9f55dedec38245972683da4a525af4f70a 100644
--- a/contrib/pyopencl.vim
+++ b/contrib/pyopencl.vim
@@ -69,8 +69,13 @@ syn region pythonCLString
       \ start=+[uU]\=\z('''\|"""\)//CL//+ end="\z1" keepend
       \ contains=@clCode,@clmakoCode
 
+syn region pythonCLRawString
+      \ start=+[uU]\=[rR]\z('''\|"""\)//CL//+ end="\z1" keepend
+      \ contains=@clCode,@clmakoCode
+
 " Uncomment if you still want the code highlighted as a string.
 " hi link pythonCLString String
+" hi link pythonCLRawString String
 
 let b:current_syntax = "pyopencl"