diff --git a/data/core/init.lua b/data/core/init.lua
index 819f26bd..0732a3e8 100644
--- a/data/core/init.lua
+++ b/data/core/init.lua
@@ -879,7 +879,7 @@ function core.on_error(err)
   -- write error to file
   local fp = io.open(USERDIR .. "/error.txt", "wb")
   fp:write("Error: " .. tostring(err) .. "\n")
-  fp:write(debug.traceback(nil, 4))
+  fp:write(debug.traceback(nil, 4) .. "\n")
   fp:close()
   -- save copy of all unsaved documents
   for _, doc in ipairs(core.docs) do
diff --git a/src/main.c b/src/main.c
index 95f04840..47998e5d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -135,7 +135,8 @@ init_lua:
     "  core.run()\n"
     "end, function(err)\n"
     "  local error_dir\n"
-    "    print('ERROR', err)\n"
+    "  io.stdout:write('Error: '..tostring(err)..'\\n')\n"
+    "  io.stdout:write(debug.traceback(nil, 4)..'\\n')\n"
     "  if core and core.on_error then\n"
     "    error_dir=USERDIR\n"
     "    pcall(core.on_error, err)\n"
@@ -143,7 +144,7 @@ init_lua:
     "    error_dir=system.absolute_path('.')\n"
     "    local fp = io.open('error.txt', 'wb')\n"
     "    fp:write('Error: ' .. tostring(err) .. '\\n')\n"
-    "    fp:write(debug.traceback(nil, 4))\n"
+    "    fp:write(debug.traceback(nil, 4)..'\\n')\n"
     "    fp:close()\n"
     "  end\n"
     "  system.show_fatal_error('Lite XL internal error',\n"