diff --git a/script/core/completion/postfix.lua b/script/core/completion/postfix.lua
index 46c24b8e7..5294f5436 100644
--- a/script/core/completion/postfix.lua
+++ b/script/core/completion/postfix.lua
@@ -363,6 +363,7 @@ local function checkPostFix(state, word, wordPosition, position, symbol, results
                         newText = newText,
                     },
                     sortText    = ('postfix-%04d'):format(i),
+                    insertTextFormat = 2,
 
                     additionalTextEdits = {
                         {