diff --git a/main.c b/main.c
index 0364fd1..a43e262 100644
--- a/main.c
+++ b/main.c
@@ -1800,7 +1800,7 @@ static void cmd_version(BaseSequentialStream *chp, int argc, char *argv[])
   chprintf(chp, "%s\r\n", NANOVNA_VERSION);
 }
 
-static THD_WORKING_AREA(waThread2, /* cmd_* max stack size + alpha */410);
+static THD_WORKING_AREA(waThread2, /* cmd_* max stack size + alpha */442);
 
 static const ShellCommand commands[] =
 {