diff --git a/ocrmypdf/__main__.py b/ocrmypdf/__main__.py
index 855df7cd..09280c0a 100755
--- a/ocrmypdf/__main__.py
+++ b/ocrmypdf/__main__.py
@@ -420,7 +420,7 @@ def available_cpu_count():
 
 
 def cleanup_ruffus_error_message(msg):
-    msg = re.sub(r'\s+', r' ', msg, re.MULTILINE)
+    msg = re.sub(r'\s+', r' ', msg)
     msg = re.sub(r"\((.+?)\)", r'\1', msg)
     msg = msg.strip()
     return msg