diff --git a/libs/subliminal_patch/utils.py b/libs/subliminal_patch/utils.py
index fb6bba5da..912ebf6fa 100644
--- a/libs/subliminal_patch/utils.py
+++ b/libs/subliminal_patch/utils.py
@@ -25,7 +25,7 @@ def sanitize(string, ignore_characters=None, default_characters={'-', ':', '(',
         string = re.sub(r'[%s]' % re.escape(''.join(characters)), ' ', string)
 
     # remove some characters
-    characters = {'\''} - ignore_characters
+    characters = {'\'', '´', '`', '’'} - ignore_characters
     if characters:
         string = re.sub(r'[%s]' % re.escape(''.join(characters)), '', string)