diff --git a/bots/markpages.py b/bots/markpages.py
index bdf4034..23a6aa2 100644
--- a/bots/markpages.py
+++ b/bots/markpages.py
@@ -28,8 +28,10 @@ with templates
 
 from datetime import datetime
 
+import pywikibot
 from pywikibot import pagegenerators
 from pywikibot.bot import CurrentPageBot
+from pywikibot.diff import PatchManager
 
 import mwparserfromhell as mwparser
 
@@ -280,6 +282,10 @@ class MarkPagesBot( CurrentPageBot ):  # sets 'current_page' on each treat()
         @param kwargs: Additional parameters directly given to L{Bot.userPut}.
         @type kwargs: dict
         """
+
+        # Monkey patch pywikibot.showDiff
+        pywikibot.showDiff = showDiff
+
         if ignore_save_related_errors is None:
             ignore_save_related_errors = self.ignore_save_related_errors
         if ignore_server_errors is None:
@@ -289,3 +295,15 @@ class MarkPagesBot( CurrentPageBot ):  # sets 'current_page' on each treat()
             ignore_save_related_errors=ignore_save_related_errors,
             ignore_server_errors=ignore_server_errors,
             **kwargs)
+
+
+# We need to have a patched version to set context param to value greater 0 as
+# pywikibot.bot.userPut() currently does not support this value
+def showDiff(oldtext, newtext, context=3):
+    """
+    Output a string showing the differences between oldtext and newtext.
+
+    The differences are highlighted (only on compatible systems) to show which
+    changes were made.
+    """
+    PatchManager(oldtext, newtext, context=context).print_hunks()