diff --git a/stand/efi/include/efilib.h b/stand/efi/include/efilib.h
index 6ca41d848384..44ddb2d40564 100644
--- a/stand/efi/include/efilib.h
+++ b/stand/efi/include/efilib.h
@@ -70,6 +70,7 @@ pdinfo_t *efiblk_get_pdinfo_by_handle(EFI_HANDLE h);
 pdinfo_t *efiblk_get_pdinfo_by_device_path(EFI_DEVICE_PATH *path);
 
 void *efi_get_table(EFI_GUID *tbl);
+EFI_STATUS OpenProtocolByHandle(EFI_HANDLE, EFI_GUID *, void **);
 
 int efi_getdev(void **vdev, const char *devspec, const char **path);
 char *efi_fmtdev(void *vdev);
diff --git a/stand/efi/libefi/libefi.c b/stand/efi/libefi/libefi.c
index e0a721f58b32..e7b1406839fe 100644
--- a/stand/efi/libefi/libefi.c
+++ b/stand/efi/libefi/libefi.c
@@ -50,3 +50,10 @@ efi_get_table(EFI_GUID *tbl)
 	}
 	return (NULL);
 }
+
+EFI_STATUS
+OpenProtocolByHandle(EFI_HANDLE handle, EFI_GUID *protocol, void **interface)
+{
+	return (BS->OpenProtocol(handle, protocol, interface, IH, NULL,
+	    EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL));
+}