diff --git a/src/int21.asm b/src/int21.asm
index 79a6dca..c1be831 100644
--- a/src/int21.asm
+++ b/src/int21.asm
@@ -795,7 +795,7 @@ get_string_done:
 	iret
 nos_version:
 	popf
-	mov cx, "B3"
+	mov cx, "B4"
 	mov al, "0"
 	iret
 kernel_panic:
diff --git a/src/kernel.asm b/src/kernel.asm
index 9248b20..c4d20a1 100644
--- a/src/kernel.asm
+++ b/src/kernel.asm
@@ -26,7 +26,7 @@
 	boot_drv db 00h 						    ; For saving tho boot drive
 	old_ss dw 0000h 						    ; For saving our old SS locations.
 	old_sp dw 0000h 						    ; Same for old SP.
-	version db "NOS Beta 3 -- built from Git repository", 0Dh, 0Ah, 00h ; Version string
+	version db "NOS Beta 4 -- built from Git repository", 0Dh, 0Ah, 00h ; Version string
 	bootmsg db "Booting up...", 0Dh, 0Ah, 00h				    ; Boot message
 	drv_fname db "DRVS", 00h					    ; Driver list file name
 	blank_line db 0Dh, 0Ah, 00h						    ; A blank line on the screen