diff --git a/stm-firmware/shell.c b/stm-firmware/shell.c
index 6e3808c..23cc473 100644
--- a/stm-firmware/shell.c
+++ b/stm-firmware/shell.c
@@ -44,7 +44,7 @@
 extern struct stm_uart shell_uart;
 static shellmatta_instance_t shell;
 static char shell_buffer[512];
-static char history_buffer[1024];
+static char history_buffer[600];
 
 static shellmatta_retCode_t shell_cmd_ver(const shellmatta_handle_t   handle,
 					  const char                  *arguments,
@@ -59,8 +59,8 @@ static shellmatta_retCode_t shell_cmd_ver(const shellmatta_handle_t   handle,
 	unique_id_get(&high_id, &mid_id, &low_id);
 
 	shellmatta_printf(handle, "Reflow Oven Controller Firmware " xstr(GIT_VER) "\r\n"
-										   "Compiled: " __DATE__ " at " __TIME__ "\r\n"
-															 "Serial: %08X-%08X-%08X", high_id, mid_id, low_id);
+					"Compiled: " __DATE__ " at " __TIME__ "\r\n"
+					"Serial: %08X-%08X-%08X", high_id, mid_id, low_id);
 
 	return SHELLMATTA_OK;
 }