diff --git a/nw/core/tokenizer.py b/nw/core/tokenizer.py
index cddce253..3050cfc0 100644
--- a/nw/core/tokenizer.py
+++ b/nw/core/tokenizer.py
@@ -281,9 +281,9 @@ class Tokenizer():
         does the standard escaped characters.
         """
         escapeDict = {
-            "\*" : "*",
-            "\~" : "~",
-            "\_" : "_",
+            r"\*" : "*",
+            r"\~" : "~",
+            r"\_" : "_",
         }
         escReplace = re.compile(
             "|".join([re.escape(k) for k in escapeDict.keys()]), flags=re.DOTALL