autoload/lsp/completion.vim | 4 ++++

diff --git a/autoload/lsp/completion.vim b/autoload/lsp/completion.vim
index ca20e0d9145f132aabf20538db1680ea44ed67eb..dddacacfb38b9f2de90a8e5089d222f6994d7077 100644
--- a/autoload/lsp/completion.vim
+++ b/autoload/lsp/completion.vim
@@ -479,6 +479,10 @@ enddef
 
 # Initialize buffer-local completion options and autocmds
 export def BufferInit(lspserver: dict<any>, bnr: number, ftype: string)
+  if !lspserver.isCompletionProvider
+    # no support for completion
+    return
+  endif
 
   # buffer-local autocmds for completion
   var acmds: list<dict<any>> = []