diff --git a/src/cdrom/cdrom_image_backend.c b/src/cdrom/cdrom_image_backend.c
index 352044780..036a4ac4c 100644
--- a/src/cdrom/cdrom_image_backend.c
+++ b/src/cdrom/cdrom_image_backend.c
@@ -37,6 +37,8 @@
 #include <86box/cdrom_image_backend.h>
 
 
+#define CDROM_BCD(x)      (((x) % 10) | (((x) / 10) << 4))
+
 #define MAX_LINE_LENGTH     512
 #define MAX_FILENAME_LENGTH 256
 #define CROSS_LEN           512
diff --git a/src/cdrom/cdrom_image_viso.c b/src/cdrom/cdrom_image_viso.c
index 2b4dfcb76..f3b21db38 100644
--- a/src/cdrom/cdrom_image_viso.c
+++ b/src/cdrom/cdrom_image_viso.c
@@ -30,6 +30,7 @@
 #include <86box/86box.h>
 #include <86box/bswap.h>
 #include <86box/cdrom_image_backend.h>
+#include <86box/path.h>
 #include <86box/plat.h>
 #include <86box/plat_dir.h>
 #include <86box/version.h>
@@ -830,7 +831,7 @@ viso_init(const char *dirname, int *error)
                 break;
             entry->parent = dir;
             strcpy(entry->path, dir->path);
-            plat_path_slash(&entry->path[dir_path_len]);
+            path_slash(&entry->path[dir_path_len]);
             entry->basename = &entry->path[dir_path_len + 1];
             strcpy(entry->basename, readdir_entry->d_name);