diff --git a/targphys.h b/targphys.h
index 08cade9..50911fd 100644
--- a/targphys.h
+++ b/targphys.h
@@ -3,6 +3,8 @@
 #ifndef TARGPHYS_H
 #define TARGPHYS_H
 
+#ifndef CONFIG_USER_ONLY
+
 #define TARGET_PHYS_ADDR_BITS 64
 /* target_phys_addr_t is the type of a physical address (its size can
    be different from 'target_ulong').  */
@@ -18,3 +20,5 @@ typedef uint64_t target_phys_addr_t;
 #define TARGET_PRIXPHYS PRIX64
 
 #endif
+
+#endif