diff --git a/sys/i386/xen/mp_machdep.c b/sys/i386/xen/mp_machdep.c
index 3502151e3239..e391981d060f 100644
--- a/sys/i386/xen/mp_machdep.c
+++ b/sys/i386/xen/mp_machdep.c
@@ -604,7 +604,7 @@ init_secondary(void)
 #endif
 
 	/* set up FPU state on the AP */
-	npxinit();
+	npxinit(false);
 #if 0
 	/* A quick check from sanity claus */
 	if (PCPU_GET(apic_id) != lapic_id()) {