diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c
index cdfcf971098b..53ca6e897984 100644
--- a/arch/i386/pci/common.c
+++ b/arch/i386/pci/common.c
@@ -20,7 +20,7 @@
 unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
 				PCI_PROBE_MMCONF;
 
-int pci_bf_sort;
+static int pci_bf_sort;
 int pci_routeirq;
 int pcibios_last_bus = -1;
 unsigned long pirq_table_addr;