diff --git a/sys/amd64/vmm/io/vlapic.c b/sys/amd64/vmm/io/vlapic.c
index b6d2a3a86ab7..5f3dff0719f0 100644
--- a/sys/amd64/vmm/io/vlapic.c
+++ b/sys/amd64/vmm/io/vlapic.c
@@ -465,7 +465,7 @@ lapic_process_icr(struct vlapic *vlapic, uint64_t icrval)
 			break;
 		}
 
-		while ((i = cpusetobj_ffs(&dmask)) != 0) {
+		while ((i = CPU_FFS(&dmask)) != 0) {
 			i--;
 			CPU_CLR(i, &dmask);
 			if (mode == APIC_DELMODE_FIXED) {