diff -rupN a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net_ssl.h b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net_ssl.h
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net_ssl.h
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net_ssl.h
@@ -5,6 +5,7 @@
 #pragma once
 
 #include <string>
+#include <mbedtls/platform.h>
 #include <mbedtls/ctr_drbg.h>
 #include <mbedtls/entropy.h>
 #include <mbedtls/net.h>