diff --git a/drivers/pci/pci_auto.c b/drivers/pci/pci_auto.c
index 7b6e629cae..08082460eb 100644
--- a/drivers/pci/pci_auto.c
+++ b/drivers/pci/pci_auto.c
@@ -12,6 +12,7 @@
 #include <errno.h>
 #include <log.h>
 #include <pci.h>
+#include "pci_internal.h"
 
 /* the user can define CONFIG_SYS_PCI_CACHE_LINE_SIZE to avoid problems */
 #ifndef CONFIG_SYS_PCI_CACHE_LINE_SIZE