diff --git a/scst/src/dev_handlers/scst_vdisk.c b/scst/src/dev_handlers/scst_vdisk.c
index cf9ba14b5..9b821a986 100644
--- a/scst/src/dev_handlers/scst_vdisk.c
+++ b/scst/src/dev_handlers/scst_vdisk.c
@@ -58,6 +58,9 @@
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)
 #include <linux/sched/signal.h>
 #endif
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0)
+#include <linux/hex.h>
+#endif
 
 #define LOG_PREFIX			"dev_vdisk"