diff --git a/.platformio/platforms/at32/boards/generic_f403a.json b/.platformio/platforms/at32/boards/generic_f403a.json
index 879763f..ce882b8 100644
--- a/.platformio/platforms/at32/boards/generic_f403a.json
+++ b/.platformio/platforms/at32/boards/generic_f403a.json
@@ -31,7 +31,7 @@
   ],
   "name": "Generic F403A",
   "upload": {
-    "maximum_ram_size": 98304,
+    "maximum_ram_size": 229376,
     "maximum_size": 262144,
     "protocol": "serial",
     "protocols": [