diff --git a/src/agenda_culturel/models.py b/src/agenda_culturel/models.py
index 126b49a..22cb6bc 100644
--- a/src/agenda_culturel/models.py
+++ b/src/agenda_culturel/models.py
@@ -836,12 +836,12 @@ class CategorisationRule(models.Model):
 
     category = models.ForeignKey(Category, verbose_name=_('Category'), help_text=_('Category applied to the event'), on_delete=models.CASCADE)
 
-    description_contains = models.CharField(verbose_name=_('Contained in the description'), help_text=_('Text contained in the description'), max_length=512, blank=True, null=True)
-    desc_exact = models.BooleanField(verbose_name=_('Exact description extract'), help_text=_("If checked, the extract will be searched for in the description using the exact form (capitals, accents)."), default=False)
-
     title_contains = models.CharField(verbose_name=_('Contained in the title'), help_text=_('Text contained in the event title'), max_length=512, blank=True, null=True)
     title_exact = models.BooleanField(verbose_name=_('Exact title extract'), help_text=_("If checked, the extract will be searched for in the title using the exact form (capitals, accents)."), default=False)
 
+    description_contains = models.CharField(verbose_name=_('Contained in the description'), help_text=_('Text contained in the description'), max_length=512, blank=True, null=True)
+    desc_exact = models.BooleanField(verbose_name=_('Exact description extract'), help_text=_("If checked, the extract will be searched for in the description using the exact form (capitals, accents)."), default=False)
+
     location_contains = models.CharField(verbose_name=_('Contained in the location'), help_text=_('Text contained in the event location'), max_length=512, blank=True, null=True)
     loc_exact = models.BooleanField(verbose_name=_('Exact location extract'), help_text=_("If checked, the extract will be searched for in the location using the exact form (capitals, accents)."), default=False)
 
@@ -873,9 +873,8 @@ class CategorisationRule(models.Model):
 
 
     def match(self, event):
-        result = False
 
-        if self.description_contains:
+        if self.description_contains and self.description_contains != "":
             if self.desc_exact:
                 result = self.description_contains in event.description
             else:
@@ -883,27 +882,23 @@ class CategorisationRule(models.Model):
             if not result:
                 return False
 
-        if self.title_contains:
+        if self.title_contains and self.title_contains != "":
             if self.title_exact:
-                t_result = self.title_contains in event.title
+                result = self.title_contains in event.title
             else:
-                t_result = remove_accents(self.title_contains).lower() in remove_accents(event.title).lower()
-            if result and not t_result:
+                result = remove_accents(self.title_contains).lower() in remove_accents(event.title).lower()
+            if not result:
                 return False
-            result = t_result
 
-        if self.location_contains:
+        if self.location_contains and self.location_contains != "":
             if self.loc_exact:
-                l_result = self.location_contains in event.location
+                result = self.location_contains in event.location
             else:
-                l_result = remove_accents(self.location_contains).lower() in remove_accents(event.location).lower()
-
-            if result and not l_result:
+                result = remove_accents(self.location_contains).lower() in remove_accents(event.location).lower()
+            if not result:
                 return False
-            result = l_result
 
-
-        return result
+        return True
 
 
 class ModerationQuestion(models.Model):