diff --git a/blog.py b/blog.py
index 63c9478e7..33498f54d 100644
--- a/blog.py
+++ b/blog.py
@@ -268,11 +268,11 @@ def _htmlBlogPostContent(debug: bool, session, authorized: bool,
     personUrl = local_actor_url(http_prefix, nickname, domain_full)
     actor_json = \
         getPersonFromCache(base_dir, personUrl, person_cache, False)
-    languagesUnderstood = []
+    languages_understood = []
     if actor_json:
-        languagesUnderstood = get_actor_languages_list(actor_json)
+        languages_understood = get_actor_languages_list(actor_json)
     jsonContent = get_content_from_post(post_json_object, system_language,
-                                        languagesUnderstood)
+                                        languages_understood)
     if jsonContent:
         contentStr = addEmbeddedElements(translate, jsonContent,
                                          peertube_instances)
diff --git a/languages.py b/languages.py
index 2de0ad7ea..108700c99 100644
--- a/languages.py
+++ b/languages.py
@@ -111,10 +111,10 @@ def understoodPostLanguage(base_dir: str, nickname: str, domain: str,
     if not actor_json:
         print('WARN: unable to load actor to check languages ' + personUrl)
         return False
-    languagesUnderstood = get_actor_languages_list(actor_json)
-    if not languagesUnderstood:
+    languages_understood = get_actor_languages_list(actor_json)
+    if not languages_understood:
         return True
-    for lang in languagesUnderstood:
+    for lang in languages_understood:
         if msgObject['contentMap'].get(lang):
             return True
     # is the language for this post supported by libretranslate?
diff --git a/utils.py b/utils.py
index 33fd85f7e..6bc579f8c 100644
--- a/utils.py
+++ b/utils.py
@@ -78,7 +78,7 @@ def get_actor_languages_list(actor_json: {}) -> []:
 
 
 def get_content_from_post(post_json_object: {}, system_language: str,
-                          languagesUnderstood: []) -> str:
+                          languages_understood: []) -> str:
     """Returns the content from the post in the given language
     including searching for a matching entry within contentMap
     """
@@ -97,7 +97,7 @@ def get_content_from_post(post_json_object: {}, system_language: str,
             else:
                 # is there a contentMap entry for one of
                 # the understood languages?
-                for lang in languagesUnderstood:
+                for lang in languages_understood:
                     if thisPostJson['contentMap'].get(lang):
                         return thisPostJson['contentMap'][lang]
     else:
diff --git a/webapp_post.py b/webapp_post.py
index 2000688f8..544a0af36 100644
--- a/webapp_post.py
+++ b/webapp_post.py
@@ -1852,11 +1852,11 @@ def individualPostAsHtml(signing_priv_key_pem: str,
     personUrl = local_actor_url(http_prefix, nickname, domain_full)
     actor_json = \
         getPersonFromCache(base_dir, personUrl, person_cache, False)
-    languagesUnderstood = []
+    languages_understood = []
     if actor_json:
-        languagesUnderstood = get_actor_languages_list(actor_json)
+        languages_understood = get_actor_languages_list(actor_json)
     contentStr = get_content_from_post(post_json_object, system_language,
-                                       languagesUnderstood)
+                                       languages_understood)
     if not contentStr:
         contentStr = \
             autoTranslatePost(base_dir, post_json_object,