diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c
index c92fb4a0902..665f62e0911 100644
--- a/sys/dev/pci/pci.c
+++ b/sys/dev/pci/pci.c
@@ -3971,7 +3971,7 @@ pci_rescan_method(device_t dev)
 		if (hdrtype & PCIM_MFDEV)
 			pcifunchigh = PCIB_MAXFUNCS(pcib);
 		for (f = 0; f <= pcifunchigh; f++) {
-			if (REG(PCIR_VENDOR, 2) == 0xfff)
+			if (REG(PCIR_VENDOR, 2) == 0xffff)
 				continue;
 
 			/*