diff --git a/runtime/pgAdmin4.cpp b/runtime/pgAdmin4.cpp
index 5d55f0216..a2dbe7451 100644
--- a/runtime/pgAdmin4.cpp
+++ b/runtime/pgAdmin4.cpp
@@ -16,6 +16,7 @@
 
 #if QT_VERSION >= 0x050000
 #include <QtWidgets>
+#include <QNetworkProxyFactory>
 #include <QNetworkRequest>
 #include <QNetworkReply>
 #else
diff --git a/runtime/pgAdmin4.h b/runtime/pgAdmin4.h
index 57b4f612e..5d9b5b04c 100644
--- a/runtime/pgAdmin4.h
+++ b/runtime/pgAdmin4.h
@@ -14,6 +14,9 @@
 
 // Include the Python header here as it needs to appear before any QT 
 // headers anywhere in the app.
+#ifdef __MINGW32__
+#include <cmath>
+#endif
 #include <Python.h>
 
 // QT headers