diff --git a/MareSynchronos/UI/UISharedService.cs b/MareSynchronos/UI/UISharedService.cs
index 528094a..5279e83 100644
--- a/MareSynchronos/UI/UISharedService.cs
+++ b/MareSynchronos/UI/UISharedService.cs
@@ -72,6 +72,7 @@ public partial class UiSharedService : DisposableMediatorSubscriberBase
     private bool _isDirectoryWritable = false;
 
     private bool _isPenumbraDirectory = false;
+    private bool _isOneDrive = false;
 
     private bool _penumbraExists = false;
 
@@ -601,6 +602,7 @@ public partial class UiSharedService : DisposableMediatorSubscriberBase
             {
                 if (!success) return;
 
+                _isOneDrive = path.Contains("onedrive", StringComparison.OrdinalIgnoreCase);
                 _isPenumbraDirectory = string.Equals(path.ToLowerInvariant(), _ipcManager.PenumbraModDirectory?.ToLowerInvariant(), StringComparison.Ordinal);
                 _isDirectoryWritable = IsDirectoryWritable(path);
                 _cacheDirectoryHasOtherFilesThanCache = Directory.GetFiles(path, "*", SearchOption.AllDirectories).Any(f => Path.GetFileNameWithoutExtension(f).Length != 40);
@@ -610,6 +612,7 @@ public partial class UiSharedService : DisposableMediatorSubscriberBase
                     && Directory.Exists(path)
                     && _isDirectoryWritable
                     && !_isPenumbraDirectory
+                    && !_isOneDrive
                     && !_cacheDirectoryHasOtherFilesThanCache
                     && _cacheDirectoryIsValidPath)
                 {
@@ -625,6 +628,10 @@ public partial class UiSharedService : DisposableMediatorSubscriberBase
         {
             ColorTextWrapped("Do not point the storage path directly to the Penumbra directory. If necessary, make a subfolder in it.", ImGuiColors.DalamudRed);
         }
+        else if (_isOneDrive)
+        {
+            ColorTextWrapped("Do not point the storage path to a folder in OneDrive. Do not use OneDrive folders for any Mod related functionality.", ImGuiColors.DalamudRed);
+        }
         else if (!_isDirectoryWritable)
         {
             ColorTextWrapped("The folder you selected does not exist or cannot be written to. Please provide a valid path.", ImGuiColors.DalamudRed);