diff --git a/src/NzbDrone.Common/Disk/DiskProviderBase.cs b/src/NzbDrone.Common/Disk/DiskProviderBase.cs
index 440b7c57f..d4d2c5668 100644
--- a/src/NzbDrone.Common/Disk/DiskProviderBase.cs
+++ b/src/NzbDrone.Common/Disk/DiskProviderBase.cs
@@ -30,6 +30,7 @@ namespace NzbDrone.Common.Disk
         public abstract long? GetAvailableSpace(string path);
         public abstract void InheritFolderPermissions(string filename);
         public abstract void SetEveryonePermissions(string filename);
+        public abstract void SetFilePermissions(string path, string mask, string group);
         public abstract void SetPermissions(string path, string mask, string group);
         public abstract void CopyPermissions(string sourcePath, string targetPath);
         public abstract long? GetTotalSize(string path);
diff --git a/src/NzbDrone.Common/Disk/IDiskProvider.cs b/src/NzbDrone.Common/Disk/IDiskProvider.cs
index 91524470f..4f1cad811 100644
--- a/src/NzbDrone.Common/Disk/IDiskProvider.cs
+++ b/src/NzbDrone.Common/Disk/IDiskProvider.cs
@@ -11,6 +11,7 @@ namespace NzbDrone.Common.Disk
         long? GetAvailableSpace(string path);
         void InheritFolderPermissions(string filename);
         void SetEveryonePermissions(string filename);
+        void SetFilePermissions(string path, string mask, string group);
         void SetPermissions(string path, string mask, string group);
         void CopyPermissions(string sourcePath, string targetPath);
         long? GetTotalSize(string path);
diff --git a/src/NzbDrone.Mono/Disk/DiskProvider.cs b/src/NzbDrone.Mono/Disk/DiskProvider.cs
index 86369b60a..e14eee8ba 100644
--- a/src/NzbDrone.Mono/Disk/DiskProvider.cs
+++ b/src/NzbDrone.Mono/Disk/DiskProvider.cs
@@ -61,10 +61,15 @@ namespace NzbDrone.Mono.Disk
         {
         }
 
+        public override void SetFilePermissions(string path, string mask, string group)
+        {
+            var permissions = NativeConvert.FromOctalPermissionString(mask);
+
+            SetPermissions(path, mask, group, permissions);
+        }
+
         public override void SetPermissions(string path, string mask, string group)
         {
-            _logger.Debug("Setting permissions: {0} on {1}", mask, path);
-
             var permissions = NativeConvert.FromOctalPermissionString(mask);
 
             if (File.Exists(path))
@@ -72,6 +77,13 @@ namespace NzbDrone.Mono.Disk
                 permissions = GetFilePermissions(permissions);
             }
 
+            SetPermissions(path, mask, group, permissions);
+        }
+
+        protected void SetPermissions(string path, string mask, string group, FilePermissions permissions)
+        {
+            _logger.Debug("Setting permissions: {0} on {1}", mask, path);
+
             // Preserve non-access permissions
             if (Syscall.stat(path, out var curStat) < 0)
             {
diff --git a/src/NzbDrone.Update/UpdateEngine/InstallUpdateService.cs b/src/NzbDrone.Update/UpdateEngine/InstallUpdateService.cs
index ecf6c144a..950cfd961 100644
--- a/src/NzbDrone.Update/UpdateEngine/InstallUpdateService.cs
+++ b/src/NzbDrone.Update/UpdateEngine/InstallUpdateService.cs
@@ -131,7 +131,7 @@ namespace NzbDrone.Update.UpdateEngine
                     // Set executable flag on app
                     if (OsInfo.IsOsx || (OsInfo.IsLinux && PlatformInfo.IsNetCore))
                     {
-                        _diskProvider.SetPermissions(Path.Combine(installationFolder, "Radarr"), "755", null);
+                        _diskProvider.SetFilePermissions(Path.Combine(installationFolder, "Radarr"), "755", null);
                     }
                 }
                 catch (Exception e)
diff --git a/src/NzbDrone.Windows/Disk/DiskProvider.cs b/src/NzbDrone.Windows/Disk/DiskProvider.cs
index 3f648e66a..d8b9dc448 100644
--- a/src/NzbDrone.Windows/Disk/DiskProvider.cs
+++ b/src/NzbDrone.Windows/Disk/DiskProvider.cs
@@ -91,6 +91,10 @@ namespace NzbDrone.Windows.Disk
             }
         }
 
+        public override void SetFilePermissions(string path, string mask, string group)
+        {
+        }
+
         public override void SetPermissions(string path, string mask, string group)
         {
         }