diff --git a/bazarr/filesystem.py b/bazarr/filesystem.py
index 09b04a2cd..ab7494334 100644
--- a/bazarr/filesystem.py
+++ b/bazarr/filesystem.py
@@ -7,6 +7,8 @@ import string
 
 from config import settings, url_sonarr, url_radarr
 
+headers = {"User-Agent": os.environ["SZ_USER_AGENT"]}
+
 
 def browse_bazarr_filesystem(path='#'):
     if path == '#' or path == '/' or path == '':
@@ -49,7 +51,7 @@ def browse_sonarr_filesystem(path='#'):
                                 "&allowFoldersWithoutTrailingSlashes=true&includeFiles=false&apikey=" + \
                                 settings.sonarr.apikey
     try:
-        r = requests.get(url_sonarr_api_filesystem, timeout=60, verify=False)
+        r = requests.get(url_sonarr_api_filesystem, timeout=60, verify=False, headers=headers)
         r.raise_for_status()
     except requests.exceptions.HTTPError:
         logging.exception("BAZARR Error trying to get series from Sonarr. Http error.")
@@ -75,7 +77,7 @@ def browse_radarr_filesystem(path='#'):
                                 "&allowFoldersWithoutTrailingSlashes=true&includeFiles=false&apikey=" + \
                                 settings.radarr.apikey
     try:
-        r = requests.get(url_radarr_api_filesystem, timeout=60, verify=False)
+        r = requests.get(url_radarr_api_filesystem, timeout=60, verify=False, headers=headers)
         r.raise_for_status()
     except requests.exceptions.HTTPError:
         logging.exception("BAZARR Error trying to get series from Radarr. Http error.")
diff --git a/bazarr/main.py b/bazarr/main.py
index 35be69526..ff8e5d13d 100644
--- a/bazarr/main.py
+++ b/bazarr/main.py
@@ -62,6 +62,8 @@ login_auth = settings.auth.type
 
 update_notifier()
 
+headers = {"User-Agent": os.environ["SZ_USER_AGENT"]}
+
 
 def check_login(actual_method):
     @wraps(actual_method)
@@ -131,7 +133,7 @@ def series_images(url):
     baseUrl = settings.sonarr.base_url
     url_image = (url_sonarr() + '/api/' + url.lstrip(baseUrl) + '?apikey=' + apikey).replace('poster-250', 'poster-500')
     try:
-        req = requests.get(url_image, stream=True, timeout=15, verify=False)
+        req = requests.get(url_image, stream=True, timeout=15, verify=False, headers=headers)
     except:
         return '', 404
     else:
@@ -145,7 +147,7 @@ def movies_images(url):
     baseUrl = settings.radarr.base_url
     url_image = url_radarr() + '/api/' + url.lstrip(baseUrl) + '?apikey=' + apikey
     try:
-        req = requests.get(url_image, stream=True, timeout=15, verify=False)
+        req = requests.get(url_image, stream=True, timeout=15, verify=False, headers=headers)
     except:
         return '', 404
     else:
@@ -172,7 +174,7 @@ def proxy(protocol, url):
     url = protocol + '://' + unquote(url)
     params = request.args
     try:
-        result = requests.get(url, params, allow_redirects=False, verify=False, timeout=5)
+        result = requests.get(url, params, allow_redirects=False, verify=False, timeout=5, headers=headers)
     except Exception as e:
         return dict(status=False, error=repr(e))
     else:
diff --git a/bazarr/utils.py b/bazarr/utils.py
index c6ea9dd48..84ba58699 100644
--- a/bazarr/utils.py
+++ b/bazarr/utils.py
@@ -28,6 +28,7 @@ import datetime
 import glob
 
 region = make_region().configure('dogpile.cache.memory')
+headers = {"User-Agent": os.environ["SZ_USER_AGENT"]}
 
 
 class BinaryNotFound(Exception):
@@ -206,7 +207,7 @@ def get_sonarr_version():
     if settings.general.getboolean('use_sonarr'):
         try:
             sv = url_sonarr() + "/api/system/status?apikey=" + settings.sonarr.apikey
-            sonarr_version = requests.get(sv, timeout=60, verify=False).json()['version']
+            sonarr_version = requests.get(sv, timeout=60, verify=False, headers=headers).json()['version']
         except Exception:
             logging.debug('BAZARR cannot get Sonarr version')
             sonarr_version = 'unknown'
@@ -218,7 +219,7 @@ def get_sonarr_platform():
     if settings.general.getboolean('use_sonarr'):
         try:
             sv = url_sonarr() + "/api/system/status?apikey=" + settings.sonarr.apikey
-            response = requests.get(sv, timeout=60, verify=False).json()
+            response = requests.get(sv, timeout=60, verify=False, headers=headers).json()
             if response['isLinux'] or response['isOsx']:
                 sonarr_platform = 'posix'
             elif response['isWindows']:
@@ -235,7 +236,7 @@ def notify_sonarr(sonarr_series_id):
             'name': 'RescanSeries',
             'seriesId': int(sonarr_series_id)
         }
-        requests.post(url, json=data, timeout=60, verify=False)
+        requests.post(url, json=data, timeout=60, verify=False, headers=headers)
     except Exception as e:
         logging.debug('BAZARR notify Sonarr')
 
@@ -245,7 +246,7 @@ def get_radarr_version():
     if settings.general.getboolean('use_radarr'):
         try:
             rv = url_radarr() + "/api/system/status?apikey=" + settings.radarr.apikey
-            radarr_version = requests.get(rv, timeout=60, verify=False).json()['version']
+            radarr_version = requests.get(rv, timeout=60, verify=False, headers=headers).json()['version']
         except Exception:
             logging.debug('BAZARR cannot get Radarr version')
             radarr_version = 'unknown'
@@ -257,7 +258,7 @@ def get_radarr_platform():
     if settings.general.getboolean('use_radarr'):
         try:
             rv = url_radarr() + "/api/system/status?apikey=" + settings.radarr.apikey
-            response = requests.get(rv, timeout=60, verify=False).json()
+            response = requests.get(rv, timeout=60, verify=False, headers=headers).json()
             if response['isLinux'] or response['isOsx']:
                 radarr_platform = 'posix'
             elif response['isWindows']:
@@ -274,7 +275,7 @@ def notify_radarr(radarr_id):
             'name': 'RescanMovie',
             'movieId': int(radarr_id)
         }
-        requests.post(url, json=data, timeout=60, verify=False)
+        requests.post(url, json=data, timeout=60, verify=False, headers=headers)
     except Exception as e:
         logging.debug('BAZARR notify Radarr')