diff --git a/bazarr/init.py b/bazarr/init.py
index 0b8cd0013..51bc67df0 100644
--- a/bazarr/init.py
+++ b/bazarr/init.py
@@ -20,11 +20,11 @@ os.environ["SZ_USER_AGENT"] = "Bazarr/1"
 # set anti-captcha provider and key
 if settings.general.anti_captcha_provider == 'anti-captcha' and settings.anticaptcha.anti_captcha_key != "":
     os.environ["ANTICAPTCHA_CLASS"] = 'AntiCaptchaProxyLess'
-    os.environ["ANTICAPTCHA_ACCOUNT_KEY"] = settings.anticaptcha.anti_captcha_key
+    os.environ["ANTICAPTCHA_ACCOUNT_KEY"] = str(settings.anticaptcha.anti_captcha_key)
 elif settings.general.anti_captcha_provider == 'death-by-captcha' and settings.deathbycaptcha.username != "" and settings.deathbycaptcha.password != "":
     os.environ["ANTICAPTCHA_CLASS"] = 'DeathByCaptchaProxyLess'
-    os.environ["ANTICAPTCHA_ACCOUNT_KEY"] = ':'.join(
-        {settings.deathbycaptcha.username, settings.deathbycaptcha.password})
+    os.environ["ANTICAPTCHA_ACCOUNT_KEY"] = str(':'.join(
+        {settings.deathbycaptcha.username, settings.deathbycaptcha.password}))
 else:
     os.environ["ANTICAPTCHA_CLASS"] = ''
 
diff --git a/bazarr/main.py b/bazarr/main.py
index 8b9f2ed1c..37012f62b 100644
--- a/bazarr/main.py
+++ b/bazarr/main.py
@@ -1334,11 +1334,11 @@ def save_settings():
     # set anti-captcha provider and key
     if settings.general.anti_captcha_provider == 'anti-captcha':
         os.environ["ANTICAPTCHA_CLASS"] = 'AntiCaptchaProxyLess'
-        os.environ["ANTICAPTCHA_ACCOUNT_KEY"] = settings.anticaptcha.anti_captcha_key
+        os.environ["ANTICAPTCHA_ACCOUNT_KEY"] = str(settings.anticaptcha.anti_captcha_key)
     elif settings.general.anti_captcha_provider == 'death-by-captcha':
         os.environ["ANTICAPTCHA_CLASS"] = 'DeathByCaptchaProxyLess'
-        os.environ["ANTICAPTCHA_ACCOUNT_KEY"] = ':'.join(
-            {settings.deathbycaptcha.username, settings.deathbycaptcha.password})
+        os.environ["ANTICAPTCHA_ACCOUNT_KEY"] = str(':'.join(
+            {settings.deathbycaptcha.username, settings.deathbycaptcha.password}))
     else:
         os.environ["ANTICAPTCHA_CLASS"] = ''