autoload/lsp/completion.vim | 3 ++-

diff --git a/autoload/lsp/completion.vim b/autoload/lsp/completion.vim
index 5932990412450cfcc246da3c98897e920e0660e3..04e92fa970c95501a170d9ef4b8961154a0ce892 100644
--- a/autoload/lsp/completion.vim
+++ b/autoload/lsp/completion.vim
@@ -125,9 +125,10 @@     if item->get('insertTextFormat', 1) == 2
       # snippet completion.  Needs a snippet plugin to expand the snippet.
       # Remove all the snippet placeholders
       d.word = MakeValidWord(d.word)
-    else
+    elseif !lspserver.completeItemsIsIncomplete
       # plain text completion.  If the completion item text doesn't start with
       # the current (case ignored) keyword prefix, skip it.
+      # Don't attempt to filter on the items, when "isIncomplete" is set
       if prefix != '' && d.word->tolower()->stridx(prefix) != 0
 	continue
       endif