diff --git a/src/shell/shell.cpp b/src/shell/shell.cpp
index 241e1a5a..acbb79a3 100644
--- a/src/shell/shell.cpp
+++ b/src/shell/shell.cpp
@@ -19,6 +19,7 @@
 
 #include <stdlib.h>
 #include <stdarg.h>
+
 #include "shell_inc.h"
 
 Bitu call_shellstop;
@@ -139,6 +140,9 @@ void SHELL_Init() {
 	/* Now call up the shell for the first time */
 	Bit16u psp_seg=DOS_GetMemory(16);
 	Bit16u env_seg=DOS_GetMemory(1+(4096/16));
+	Bit16u stack_seg=DOS_GetMemory(2048/16);
+	SetSegment_16(ss,stack_seg);
+	reg_sp=2046;
 	/* Setup a fake MCB for the environment */
 	MCB * env_mcb=(MCB *)real_host(env_seg,0);
 	env_mcb->psp_segment=psp_seg;