diff --git a/src/main.lua b/src/main.lua
index cfcc9c9..ff90c47 100644
--- a/src/main.lua
+++ b/src/main.lua
@@ -838,6 +838,7 @@ function handlers.textDocument_completion(params)
 					if prefix == "" or name:upper():find("^" .. prefix:upper(), 1, true) then
 						table.insert(items, {
 							label = "#" .. name,
+							filterText = name,
 							kind = 13,
 							detail = "Variable (" .. (info.type or "VAR") .. "): " .. (info.data_type or "unknown"),
 							insertText = "#" .. name,
@@ -933,9 +934,6 @@ function handlers.textDocument_completion(params)
 		else
 			-- Check if we're inside a function call (e.g., after instTestTimer()
 			local call_name = get_call_context(line, col)
-			if not call_name and col > 0 then
-				call_name = line:sub(1, col):match("([%w_]+)%s*$")
-			end
 			local call_params = call_name and resolve_call_params(call_name, doc.variables, doc.types)
 
 			-- Check context before cursor
@@ -977,6 +975,7 @@ function handlers.textDocument_completion(params)
 						if word_prefix == "" or name:upper():find("^" .. word_prefix:upper(), 1, true) then
 							table.insert(items, {
 								label = "#" .. name,
+								filterText = name,
 								kind = 13,
 								detail = "Variable (" .. (info.type or "VAR") .. "): " .. (info.data_type or "unknown"),
 								insertText = "#" .. name,
@@ -1010,6 +1009,7 @@ function handlers.textDocument_completion(params)
 						if word_prefix == "" or name:upper():find("^" .. word_prefix:upper(), 1, true) then
 							table.insert(items, {
 								label = "#" .. name,
+								filterText = name,
 								kind = 13,
 								detail = "Variable (" .. (info.type or "VAR") .. "): " .. (info.data_type or "unknown"),
 								insertText = "#" .. name,