diff --git a/trafilatura/utils.py b/trafilatura/utils.py
index 386996d2..3b8bbc04 100644
--- a/trafilatura/utils.py
+++ b/trafilatura/utils.py
@@ -284,10 +284,10 @@ def sanitize(text, preserve_space=False, trailing_space=False):
     '''Convert text and discard incompatible and invalid characters'''
     # consider all text as a single line
     if trailing_space:
-        return line_processing(text, preserve_space, trailing_space)
+        return line_processing(text, preserve_space, True)
     # process line by line
     try:
-        return '\n'.join(filter(None, (line_processing(l, preserve_space, trailing_space) for l in text.splitlines())))
+        return '\n'.join(filter(None, (line_processing(l, preserve_space) for l in text.splitlines())))
     except AttributeError:
         return None