diff --git a/stdlib/src/memory/pointer.mojo b/stdlib/src/memory/pointer.mojo
index 16a4eadd29..007343d63f 100644
--- a/stdlib/src/memory/pointer.mojo
+++ b/stdlib/src/memory/pointer.mojo
@@ -19,6 +19,8 @@ from memory import Pointer
 ```
 """
 
+from sys import is_nvidia_gpu
+
 
 # ===-----------------------------------------------------------------------===#
 # AddressSpace
@@ -36,13 +38,13 @@ struct _GPUAddressSpace(EqualityComparable):
     """Generic address space."""
     alias GLOBAL = AddressSpace(1)
     """Global address space."""
-    alias CONSTANT = AddressSpace(2)
+    alias CONSTANT = AddressSpace(2) if is_nvidia_gpu() else AddressSpace(4)
     """Constant address space."""
     alias SHARED = AddressSpace(3)
     """Shared address space."""
     alias PARAM = AddressSpace(4)
     """Param address space."""
-    alias LOCAL = AddressSpace(5)
+    alias LOCAL = AddressSpace(5) if is_nvidia_gpu() else AddressSpace(3)
     """Local address space."""
 
     @always_inline("nodebug")