diff --git a/test/functional/plugin/lsp_spec.lua b/test/functional/plugin/lsp_spec.lua
index a3f0022347..c0637d2e62 100644
--- a/test/functional/plugin/lsp_spec.lua
+++ b/test/functional/plugin/lsp_spec.lua
@@ -3358,16 +3358,16 @@ describe('LSP', function()
       eq({ 40, 3 }, exec_lua [[ return {vim.lsp.util._make_floating_popup_size(contents)} ]])
     end)
     it('handles empty line', function()
-      exec_lua(function()
+      exec_lua([[
         _G.contents = {
           '',
         }
-      end)
+      ]])
       eq(
         { 20, 1 },
-        exec_lua(function()
+        exec_lua([[
           return { vim.lsp.util._make_floating_popup_size(_G.contents, { width = 20 }) }
-        end)
+        ]])
       )
     end)
   end)