diff --git a/syntax/opam.vim b/syntax/opam.vim
index d0264a1..97acd55 100644
--- a/syntax/opam.vim
+++ b/syntax/opam.vim
@@ -20,7 +20,6 @@ syn keyword opamKeyword1 depexts
 syn keyword opamKeyword1 depopts
 syn keyword opamKeyword1 description
 syn keyword opamKeyword1 doc
-syn keyword opamKeyword1 extra-files
 syn keyword opamKeyword1 features
 syn keyword opamKeyword1 flags
 syn keyword opamKeyword1 homepage
@@ -31,16 +30,14 @@ syn keyword opamKeyword1 maintainer
 syn keyword opamKeyword1 messages
 syn keyword opamKeyword1 name
 syn keyword opamKeyword1 patches
-syn keyword opamKeyword1 pin-depends
 syn keyword opamKeyword1 remove
-syn keyword opamKeyword1 run-test
 syn keyword opamKeyword1 setenv
 syn keyword opamKeyword1 substs
 syn keyword opamKeyword1 synopsis
 syn keyword opamKeyword1 syntax
 syn keyword opamKeyword1 tags
 syn keyword opamKeyword1 version
-syn match opamKeyword2 "\v(bug-reports|post-messages|opam-version|dev-repo|build)"
+syn match opamKeyword2 "\v(bug-reports|post-messages|opam-version|dev-repo|pin-depends|extra-files|build|run-test)"
 
 syn keyword opamTodo FIXME NOTE NOTES TODO XXX contained
 syn match opamComment "#.*$" contains=opamTodo,@Spell