diff --git a/session.vim b/session.vim
index 83336b5993..4ded6d1bf3 100644
--- a/session.vim
+++ b/session.vim
@@ -2,7 +2,7 @@
 let $PYFLAKES_BUILTINS = "_,dynamic_property,__,P,I,lopen,icu_lower,icu_upper,icu_title,ngettext"
 
 " Include directories for C modules
-let g:syntastic_c_include_dirs = [ '/usr/include/podofo']
+let g:syntastic_cpp_include_dirs = [ '/usr/include/podofo']
 
 fun! CalibreLog()
     " Setup buffers to edit the calibre changelog and version info prior to