diff --git a/CHANGELOG.md b/CHANGELOG.md
index 012467cd..0c5761c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ this project uses date-based 'snapshot' version identifiers.
 
 ## [Unreleased]
 
+### Changed
+
+- Normal Lua function calls (issue #127)
+
 ## [2020-06-04]
 
 ### Added
diff --git a/l3build-check.lua b/l3build-check.lua
index ff022c60..20cd7318 100644
--- a/l3build-check.lua
+++ b/l3build-check.lua
@@ -325,6 +325,10 @@ local function normalize_lua_log(content,luatex)
     if match(line, "^%.+\\mathon$") then
       return line, line
     end
+    -- Deal with Lua function calls
+    if match(line, "^Lua function") then
+      line = gsub(line,"= %d+$","= ...")
+    end
     -- LuaTeX has a flexible output box
     line = gsub(line,"\\box\\outputbox", "\\box255")
     -- LuaTeX identifies spaceskip glue