diff --git a/cpu-defs.h b/cpu-defs.h
index 88d8093d226b6c2b48f7f924cf0a6b607fa668b8..f49e9500a9d4a6e716d7e8567c2d418d8cda1f98 100644
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -98,12 +98,12 @@ typedef struct CPUTLBEntry {
     target_ulong addr_code;
     /* Addend to virtual address to get host address.  IO accesses
        use the corresponding iotlb value.  */
-    unsigned long addend;
+    uintptr_t addend;
     /* padding to get a power of two size */
-    uint8_t dummy[(1 << CPU_TLB_ENTRY_BITS) - 
-                  (sizeof(target_ulong) * 3 + 
-                   ((-sizeof(target_ulong) * 3) & (sizeof(unsigned long) - 1)) + 
-                   sizeof(unsigned long))];
+    uint8_t dummy[(1 << CPU_TLB_ENTRY_BITS) -
+                  (sizeof(target_ulong) * 3 +
+                   ((-sizeof(target_ulong) * 3) & (sizeof(uintptr_t) - 1)) +
+                   sizeof(uintptr_t))];
 } CPUTLBEntry;
 
 extern int CPUTLBEntry_wrong_size[sizeof(CPUTLBEntry) == (1 << CPU_TLB_ENTRY_BITS) ? 1 : -1];