diff --git a/mongoose.h b/mongoose.h
index 1ef78d13..1ed5c779 100644
--- a/mongoose.h
+++ b/mongoose.h
@@ -313,6 +313,7 @@ extern "C" {
 #include <esp_ota_ops.h>   // Use angle brackets to avoid
 #include <esp_timer.h>     // amalgamation ditching them
 #include <esp_system.h>
+#include <esp_mac.h>
 
 #define MG_PATH_MAX 128
 
diff --git a/src/arch_esp32.h b/src/arch_esp32.h
index d9f43066..bc9e95b8 100644
--- a/src/arch_esp32.h
+++ b/src/arch_esp32.h
@@ -20,6 +20,7 @@
 #include <esp_ota_ops.h>   // Use angle brackets to avoid
 #include <esp_timer.h>     // amalgamation ditching them
 #include <esp_system.h>
+#include <esp_mac.h>
 
 #define MG_PATH_MAX 128