diff --git a/hooks/collective_subject.py b/hooks/collective_subject.py
index e8db092..6ad929e 100644
--- a/hooks/collective_subject.py
+++ b/hooks/collective_subject.py
@@ -8,8 +8,8 @@ class CollectiveSubject:
         """
         Si la commande est bonne, le bot démarre un nouveau sujet collectif.
         """
-        if re.match("^\s*##.*$", message):
-            logger.info("^\s*##.*$ caught.")
+        if re.match(r"^\s*##.*$", message):
+            logger.info(r"^\s*##.*$ caught.")
 
             if bot.review.is_started:
                 if bot.review.is_owner(sender):
diff --git a/hooks/individual_subject.py b/hooks/individual_subject.py
index 1fae22b..4b88991 100644
--- a/hooks/individual_subject.py
+++ b/hooks/individual_subject.py
@@ -8,8 +8,8 @@ class IndividualSubject:
         """
         Si la commande est bonne, le bot démarre un nouveau sujet individuel.
         """
-        if re.match("^\s*#[^#].*$", message):
-            logger.info("^\s*#[^#].*$ caught.")
+        if re.match(r"^\s*#[^#].*$", message):
+            logger.info(r"^\s*#[^#].*$ caught.")
 
             if bot.review.is_started:
                 if bot.review.is_owner(sender):