diff --git a/firmware/esp32/source/main.cpp b/firmware/esp32/source/main.cpp
index 495b0b5..ec19101 100644
--- a/firmware/esp32/source/main.cpp
+++ b/firmware/esp32/source/main.cpp
@@ -33,7 +33,7 @@ extern "C" void app_main(void)
     };
     esp_pm_configure(&pm_cfg);
 
-
+    heap_caps_init();
 
     xTaskCreate(watchdogTask, "wdt", 256, NULL, configMAX_PRIORITIES-1, NULL);
 }