diff --git a/frontend/src/Settings/General/HostSettings.js b/frontend/src/Settings/General/HostSettings.js
index 5445808b0..99255b0d5 100644
--- a/frontend/src/Settings/General/HostSettings.js
+++ b/frontend/src/Settings/General/HostSettings.js
@@ -21,6 +21,7 @@ function HostSettings(props) {
     port,
     urlBase,
     instanceName,
+    applicationUrl,
     enableSsl,
     sslPort,
     sslCertPath,
@@ -89,6 +90,21 @@ function HostSettings(props) {
         />
       </FormGroup>
 
+      <FormGroup
+        advancedSettings={advancedSettings}
+        isAdvanced={true}
+      >
+        <FormLabel>{translate('ApplicationURL')}</FormLabel>
+
+        <FormInputGroup
+          type={inputTypes.TEXT}
+          name="applicationUrl"
+          helpText={translate('ApplicationUrlHelpText')}
+          onChange={onInputChange}
+          {...applicationUrl}
+        />
+      </FormGroup>
+
       <FormGroup
         advancedSettings={advancedSettings}
         isAdvanced={true}
diff --git a/src/NzbDrone.Core/Configuration/ConfigService.cs b/src/NzbDrone.Core/Configuration/ConfigService.cs
index 269847f33..8fb717ce6 100644
--- a/src/NzbDrone.Core/Configuration/ConfigService.cs
+++ b/src/NzbDrone.Core/Configuration/ConfigService.cs
@@ -182,6 +182,8 @@ namespace NzbDrone.Core.Configuration
         public CertificateValidationType CertificateValidation =>
             GetValueEnum("CertificateValidation", CertificateValidationType.Enabled);
 
+        public string ApplicationUrl => GetValue("ApplicationUrl", string.Empty);
+
         private string GetValue(string key)
         {
             return GetValue(key, string.Empty);
diff --git a/src/NzbDrone.Core/Configuration/IConfigService.cs b/src/NzbDrone.Core/Configuration/IConfigService.cs
index 4f37b8d51..5fa2ed005 100644
--- a/src/NzbDrone.Core/Configuration/IConfigService.cs
+++ b/src/NzbDrone.Core/Configuration/IConfigService.cs
@@ -55,5 +55,6 @@ namespace NzbDrone.Core.Configuration
         bool LogIndexerResponse { get; set; }
 
         CertificateValidationType CertificateValidation { get; }
+        string ApplicationUrl { get; }
     }
 }
diff --git a/src/NzbDrone.Core/Localization/Core/en.json b/src/NzbDrone.Core/Localization/Core/en.json
index 243d5db82..77db15c79 100644
--- a/src/NzbDrone.Core/Localization/Core/en.json
+++ b/src/NzbDrone.Core/Localization/Core/en.json
@@ -34,6 +34,8 @@
   "ApplicationLongTermStatusCheckSingleClientMessage": "Applications unavailable due to failures for more than 6 hours: {0}",
   "ApplicationStatusCheckAllClientMessage": "All applications are unavailable due to failures",
   "ApplicationStatusCheckSingleClientMessage": "Applications unavailable due to failures: {0}",
+  "ApplicationURL": "Application URL",
+  "ApplicationUrlHelpText": "This application's external URL including http(s)://, port and URL base",
   "Applications": "Applications",
   "Apply": "Apply",
   "ApplyTags": "Apply Tags",
@@ -508,4 +510,4 @@
   "Yes": "Yes",
   "YesCancel": "Yes, Cancel",
   "Yesterday": "Yesterday"
-}
\ No newline at end of file
+}
diff --git a/src/Prowlarr.Api.V1/Config/HostConfigResource.cs b/src/Prowlarr.Api.V1/Config/HostConfigResource.cs
index 38d132615..35f4eca84 100644
--- a/src/Prowlarr.Api.V1/Config/HostConfigResource.cs
+++ b/src/Prowlarr.Api.V1/Config/HostConfigResource.cs
@@ -27,6 +27,7 @@ namespace Prowlarr.Api.V1.Config
         public string SslCertPassword { get; set; }
         public string UrlBase { get; set; }
         public string InstanceName { get; set; }
+        public string ApplicationUrl { get; set; }
         public bool UpdateAutomatically { get; set; }
         public UpdateMechanism UpdateMechanism { get; set; }
         public string UpdateScriptPath { get; set; }
@@ -86,6 +87,7 @@ namespace Prowlarr.Api.V1.Config
                 BackupFolder = configService.BackupFolder,
                 BackupInterval = configService.BackupInterval,
                 BackupRetention = configService.BackupRetention,
+                ApplicationUrl = configService.ApplicationUrl,
                 HistoryCleanupDays = configService.HistoryCleanupDays
             };
         }