diff --git a/Content.Server/Mapping/MappingSystem.cs b/Content.Server/Mapping/MappingSystem.cs
index b79387b3e5..bc086a7aca 100644
--- a/Content.Server/Mapping/MappingSystem.cs
+++ b/Content.Server/Mapping/MappingSystem.cs
@@ -73,7 +73,7 @@ public sealed class MappingSystem : EntitySystem
             }
 
             _currentlyAutosaving[uid] = (CalculateNextTime(), name);
-            var saveDir = Path.Combine(_cfg.GetCVar(CCVars.AutosaveDirectory), name);
+            var saveDir = Path.Combine(_cfg.GetCVar(CCVars.AutosaveDirectory), name).Replace(Path.DirectorySeparatorChar, '/');
             _resMan.UserData.CreateDir(new ResPath(saveDir).ToRootedPath());
 
             var path = new ResPath(Path.Combine(saveDir, $"{DateTime.Now:yyyy-M-dd_HH.mm.ss}-AUTO.yml"));