diff --git a/tools/wrc/wrc.c b/tools/wrc/wrc.c
index 7d5ad89be80..ac1fdccca44 100644
--- a/tools/wrc/wrc.c
+++ b/tools/wrc/wrc.c
@@ -318,7 +318,8 @@ static void set_target( const char *target )
     /* target specification is in the form CPU-MANUFACTURER-OS or CPU-MANUFACTURER-KERNEL-OS */
     if (!(p = strchr( cpu, '-' ))) error( "Invalid target specification '%s'\n", target );
     *p = 0;
-    if (!strcmp( cpu, "amd64" ) || !strcmp( cpu, "x86_64" ) || !strcmp( cpu, "ia64" ))
+    if (!strcmp( cpu, "amd64" ) || !strcmp( cpu, "x86_64" ) ||
+        !strcmp( cpu, "ia64" ) || !strcmp( cpu, "aarch64" ))
         pointer_size = 8;
     else
         pointer_size = 4;