diff --git a/languages.py b/languages.py
index 83f8a31a4..3eb436ad2 100644
--- a/languages.py
+++ b/languages.py
@@ -61,8 +61,11 @@ def setActorLanguages(baseDir: str, actorJson: {}, languagesStr: str) -> None:
     langList2 = []
     for lang in langList:
         lang = lang.strip()
-        languageFilename = baseDir + '/translations/' + lang + '.json'
-        if os.path.isfile(languageFilename):
+        if baseDir:
+            languageFilename = baseDir + '/translations/' + lang + '.json'
+            if os.path.isfile(languageFilename):
+                langList2.append(lang)
+        else:
             langList2.append(lang)
 
     # remove any existing value
diff --git a/tests.py b/tests.py
index baf303151..ed98ad64d 100644
--- a/tests.py
+++ b/tests.py
@@ -123,6 +123,7 @@ from mastoapiv1 import getNicknameFromMastoApiV1Id
 from webapp_post import prepareHtmlPostNickname
 from speaker import speakerReplaceLinks
 from markdown import markdownToHtml
+from languages import setActorLanguages
 
 testServerAliceRunning = False
 testServerBobRunning = False
@@ -4207,9 +4208,26 @@ def _testLimitRepetedWords() -> None:
     assert result == expected
 
 
+def _testSetActorLanguages():
+    print('testSetActorLanguages')
+    actorJson = {
+        "attachment": []
+    }
+    setActorLanguages(None, actorJson, 'en, es, fr')
+    print(str(actorJson))
+    assert len(actorJson['attachment']) == 1
+    assert actorJson['attachment'][0]['name'] == 'Languages'
+    assert actorJson['attachment'][0]['type'] == 'PropertyValue'
+    assert len(actorJson['attachment'][0]['value']) == 3
+    assert 'en' in actorJson['attachment'][0]['value']
+    assert 'fr' in actorJson['attachment'][0]['value']
+    assert 'es' in actorJson['attachment'][0]['value']
+
+
 def runAllTests():
     print('Running tests...')
     updateDefaultThemesList(os.getcwd())
+    _testSetActorLanguages()
     _testLimitRepetedWords()
     _testLimitWordLengths()
     _testSwitchWords()