diff --git a/kernel/tests.c b/kernel/tests.c
index ecb708ee..0723ac56 100644
--- a/kernel/tests.c
+++ b/kernel/tests.c
@@ -158,7 +158,7 @@ void srv_on_conn(ServerEventArgs* e)
 {
     int i = 0, err = 0;
     int tmp1,tmp2;
-    char buff[2047];
+    char buff[1220];
 
     SHELLDEBUGPRINTF("someone finally connected\n");