diff --git a/lib/tasks/assets.rake b/lib/tasks/assets.rake
index 9288fa499e7..10e19be30e9 100644
--- a/lib/tasks/assets.rake
+++ b/lib/tasks/assets.rake
@@ -113,7 +113,7 @@ def compress_node(from, to)
   base_source_map = assets_path + assets_additional_path
 
   cmd = <<~EOS
-    terser '#{assets_path}/#{from}' -m -c -o '#{to_path}' --source-map "base='#{base_source_map}',root='#{source_map_root}',url='#{source_map_url}'"
+    terser '#{assets_path}/#{from}' -m -c -o '#{to_path}' --source-map "base='#{base_source_map}',root='#{source_map_root}',url='#{source_map_url}',includeSources=true"
   EOS
 
   STDERR.puts cmd