diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c
index 7363e01ba082..5fd53333c1df 100644
--- a/arch/x86/kernel/ds.c
+++ b/arch/x86/kernel/ds.c
@@ -983,7 +983,7 @@ ds_configure(const struct ds_configuration *cfg,
 	printk("bts/pebs record: %u/%u bytes\n",
 	       ds_cfg.sizeof_rec[ds_bts], ds_cfg.sizeof_rec[ds_pebs]);
 
-	WARN_ON_ONCE(MAX_SIZEOF_DS < (12 * ds_cfg.sizeof_field));
+	WARN_ON_ONCE(MAX_SIZEOF_DS < (12 * ds_cfg.sizeof_ptr_field));
 }
 
 void __cpuinit ds_init_intel(struct cpuinfo_x86 *c)