diff --git a/core/network/miniupnp.cpp b/core/network/miniupnp.cpp
index 34874545b..3494d774d 100644
--- a/core/network/miniupnp.cpp
+++ b/core/network/miniupnp.cpp
@@ -18,12 +18,9 @@
 */
 #include "build.h"
 #ifndef FEAT_NO_MINIUPNPC
-#include <miniupnpc.h>
+#include "miniupnp.h"
 #include <upnpcommands.h>
 #include "log/Log.h"
-#include "miniupnp.h"
-
-#include <string>
 
 #ifndef UPNP_LOCAL_PORT_ANY
 #define UPNP_LOCAL_PORT_ANY 0
diff --git a/core/network/miniupnp.h b/core/network/miniupnp.h
index db06fafca..20819005a 100644
--- a/core/network/miniupnp.h
+++ b/core/network/miniupnp.h
@@ -18,6 +18,7 @@
 */
 #pragma once
 #ifndef FEAT_NO_MINIUPNPC
+#include <cstddef>
 #include <miniupnpc.h>
 
 #include <cstring>