diff --git a/bazarr/get_movies.py b/bazarr/get_movies.py
index 239839a42..bfb373070 100644
--- a/bazarr/get_movies.py
+++ b/bazarr/get_movies.py
@@ -44,7 +44,7 @@ def update_movies(send_event=True):
         pass
     else:
         audio_profiles = get_profile_list()
-        tagsDict = get_tags()
+        tagsDict = get_tags(radarr_version=radarr_version)
         
         # Get movies data from radarr
         movies = get_movies_from_radarr_api(radarr_version=radarr_version, url=url_radarr(),
@@ -194,7 +194,7 @@ def update_one_movie(movie_id, action):
         movie_default_profile = None
 
     audio_profiles = get_profile_list()
-    tagsDict = get_tags()
+    tagsDict = get_tags(radarr_version=radarr_version)
 
     try:
         # Get movie data from radarr api
@@ -339,12 +339,15 @@ def RadarrFormatVideoCodec(videoFormat, videoCodecID, videoCodecLibrary):
     return videoFormat
 
 
-def get_tags():
+def get_tags(radarr_version):
     apikey_radarr = settings.radarr.apikey
     tagsDict = []
 
     # Get tags data from Radarr
-    url_radarr_api_series = url_radarr() + "/api/tag?apikey=" + apikey_radarr
+    if radarr_version.startswith('0'):
+        url_radarr_api_series = url_radarr() + "/api/tag?apikey=" + apikey_radarr
+    else:
+        url_radarr_api_series = url_radarr() + "/api/v3/tag?apikey=" + apikey_radarr
 
     try:
         tagsDict = requests.get(url_radarr_api_series, timeout=60, verify=False, headers=headers)
diff --git a/bazarr/get_rootfolder.py b/bazarr/get_rootfolder.py
index bda0a7356..c74b5c632 100644
--- a/bazarr/get_rootfolder.py
+++ b/bazarr/get_rootfolder.py
@@ -7,6 +7,7 @@ import logging
 from config import settings, url_sonarr, url_radarr
 from helper import path_mappings
 from database import TableShowsRootfolder, TableMoviesRootfolder, TableShows, TableMovies
+from utils import get_radarr_version
 
 headers = {"User-Agent": os.environ["SZ_USER_AGENT"]}
 
@@ -79,9 +80,13 @@ def check_sonarr_rootfolder():
 def get_radarr_rootfolder():
     apikey_radarr = settings.radarr.apikey
     radarr_rootfolder = []
+    radarr_version = get_radarr_version()
 
     # Get root folder data from Radarr
-    url_radarr_api_rootfolder = url_radarr() + "/api/rootfolder?apikey=" + apikey_radarr
+    if radarr_version.startswith('0'):
+        url_radarr_api_rootfolder = url_radarr() + "/api/rootfolder?apikey=" + apikey_radarr
+    else:
+        url_radarr_api_rootfolder = url_radarr() + "/api/v3/rootfolder?apikey=" + apikey_radarr
 
     try:
         rootfolder = requests.get(url_radarr_api_rootfolder, timeout=60, verify=False, headers=headers)
@@ -121,14 +126,17 @@ def check_radarr_rootfolder():
     get_radarr_rootfolder()
     rootfolder = TableMoviesRootfolder.select(TableMoviesRootfolder.id, TableMoviesRootfolder.path).dicts()
     for item in rootfolder:
-        if not os.path.isdir(path_mappings.path_replace_movie(item['path'])):
+        root_path = item['path']
+        if not root_path.endswith(os.path.sep):
+            root_path += os.path.sep
+        if not os.path.isdir(path_mappings.path_replace_movie(root_path)):
             TableMoviesRootfolder.update({TableMoviesRootfolder.accessible: 0,
                                          TableMoviesRootfolder.error: 'This Radarr root directory does not seems to '
                                                                       'be accessible by Bazarr. Please check path '
                                                                       'mapping.'}) \
                 .where(TableMoviesRootfolder.id == item['id']) \
                 .execute()
-        elif not os.access(path_mappings.path_replace_movie(item['path']), os.W_OK):
+        elif not os.access(path_mappings.path_replace_movie(root_path), os.W_OK):
             TableMoviesRootfolder.update({TableMoviesRootfolder.accessible: 0,
                                           TableMoviesRootfolder.error: 'Bazarr cannot write to this directory'}) \
                 .where(TableMoviesRootfolder.id == item['id']) \
diff --git a/bazarr/main.py b/bazarr/main.py
index 7e49be42d..a364039ab 100644
--- a/bazarr/main.py
+++ b/bazarr/main.py
@@ -43,7 +43,7 @@ from signalr_client import sonarr_signalr_client, radarr_signalr_client
 from check_update import apply_update, check_if_new_update, check_releases
 from server import app, webserver
 from functools import wraps
-from utils import check_credentials
+from utils import check_credentials, get_radarr_version
 
 # Install downloaded update
 if bazarr_version != '':
@@ -145,7 +145,11 @@ def series_images(url):
 def movies_images(url):
     apikey = settings.radarr.apikey
     baseUrl = settings.radarr.base_url
-    url_image = url_radarr() + '/api/' + url.lstrip(baseUrl) + '?apikey=' + apikey
+    radarr_version = get_radarr_version()
+    if radarr_version.startswith('0'):
+        url_image = url_radarr() + '/api/' + url.lstrip(baseUrl) + '?apikey=' + apikey
+    else:
+        url_image = url_radarr() + '/api/v3/' + url.lstrip(baseUrl) + '?apikey=' + apikey
     try:
         req = requests.get(url_image, stream=True, timeout=15, verify=False, headers=headers)
     except: