diff --git a/src/SharpEmu.Core/Memory/PhysicalVirtualMemory.cs b/src/SharpEmu.Core/Memory/PhysicalVirtualMemory.cs
index f069d8f..4e88262 100644
--- a/src/SharpEmu.Core/Memory/PhysicalVirtualMemory.cs
+++ b/src/SharpEmu.Core/Memory/PhysicalVirtualMemory.cs
@@ -349,10 +349,8 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
         var requestedCursor = AlignUp(desiredAddress, effectiveAlignment);
         var cursor = GetAllocationSearchCursor(desiredAddress, requestedCursor, effectiveAlignment, executable);
 
-        // POSIX treats the requested address as a hint, and Rosetta may
-        // relocate whole guest windows. Over-allocate once so the returned
-        // host range always contains an aligned guest-visible start.
-        if (!OperatingSystem.IsWindows())
+        // macOS needs alignment over-allocation; Linux uses exact-address search.
+        if (OperatingSystem.IsMacOS())
         {
             var reserveSize = effectiveAlignment > PageSize
                 ? alignedSize + effectiveAlignment