diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index 1e00b03..b0f84e5 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -69,7 +69,7 @@
 
 /* Number of siblings per CPU package */
 int smp_num_siblings = 1;
-#ifdef CONFIG_X86_HT
+#ifdef CONFIG_SMP
 EXPORT_SYMBOL(smp_num_siblings);
 #endif