diff --git a/tasmota/support_esp32.ino b/tasmota/support_esp32.ino
index 2c7bd243f..b7139bb61 100644
--- a/tasmota/support_esp32.ino
+++ b/tasmota/support_esp32.ino
@@ -47,6 +47,10 @@ uint32_t ESP_getFreeHeap(void) {
   return ESP.getFreeHeap();
 }
 
+uint32_t ESP_getMaxAllocHeap(void) {
+  return ESP.getMaxFreeBlockSize();
+}
+
 void ESP_Restart(void) {
 //  ESP.restart();            // This results in exception 3 on restarts on core 2.3.0
   ESP.reset();
@@ -268,6 +272,10 @@ uint32_t ESP_getFreeHeap(void) {
   return ESP.getMaxAllocHeap();
 }
 
+uint32_t ESP_getMaxAllocHeap(void) {
+  return ESP.getMaxAllocHeap();
+}
+
 void ESP_Restart(void) {
   ESP.restart();
 }