diff --git a/tools/emul/shell/shell_.asm b/tools/emul/shell/shell_.asm
index 7b11c15..2953b21 100644
--- a/tools/emul/shell/shell_.asm
+++ b/tools/emul/shell/shell_.asm
@@ -11,7 +11,7 @@ jp	init
 #include "core.asm"
 .define STDIO_GETC	call emulGetC
 .define STDIO_PUTC	call emulPutC
-STDIO_RAMSTART	.equ	RAMEND
+STDIO_RAMSTART	.equ	RAMSTART
 #include "stdio.asm"
 
 BLOCKDEV_RAMSTART	.equ	STDIO_RAMEND