1 files changed, 1 insertions, 1 deletions
diff --git a/zephyr/main.c b/zephyr/main.c
index 8d319098b2..b58558f0be 100644
--- a/zephyr/main.c
+++ b/zephyr/main.c
@@ -58,7 +58,7 @@ void do_str(const char *src, mp_parse_input_kind_t input_kind) {
 }
 
 static char *stack_top;
-static char heap[16 * 1024];
+static char heap[MICROPY_HEAP_SIZE];
 
 int real_main(void) {
     int stack_dummy;