diff --git a/sources_non_forked/typescript-vim/syntax/typescript.vim b/sources_non_forked/typescript-vim/syntax/typescript.vim
index 474e2288..5ae37226 100644
--- a/sources_non_forked/typescript-vim/syntax/typescript.vim
+++ b/sources_non_forked/typescript-vim/syntax/typescript.vim
@@ -206,7 +206,7 @@ syntax keyword typescriptFuncKeyword function
 syn match typescriptBraces "[{}\[\]]"
 syn match typescriptParens "[()]"
 syn match typescriptEndColons "[;,]"
-syn match typescriptLogicSymbols "\(&&\)\|\(||\)\|\(!\)"
+syn match typescriptLogicSymbols "\(&&\)\|\(||\)\|\(??\)\|\(!\)"
 syn match typescriptOpSymbols "=\{1,3}\|!==\|!=\|<\|>\|>=\|<=\|++\|+=\|--\|-="
 
 " typescriptFold Function {{{
@@ -226,9 +226,9 @@ syn region foldBraces start=/{/ skip=/\(\/\/.*\)\|\(\/.*\/\)/ end=/}/ transparen
 " Define the default highlighting.
 " For version 5.7 and earlier: only when not done already by this script
 " For version 5.8 and later: only when an item doesn't have highlighting yet
-" For version 8.1.1486 and later: only when not done already by this script (need to override vim's new typescript support)
+" For version 8.1.1486 and later, and nvim 0.5.0 and later: only when not done already by this script (need to override vim's new typescript support)
 if version >= 508 || !exists("did_typescript_syn_inits")
-  if version < 508 || has('patch-8.1.1486')
+  if version < 508 || has('patch-8.1.1486') || has('nvim-0.5.0')
     let did_typescript_syn_inits = 1
     command -nargs=+ HiLink hi link <args>
   else