diff --git a/renderdoc/os/win32/win32_callstack.cpp b/renderdoc/os/win32/win32_callstack.cpp
index 5ac331693..25548923d 100644
--- a/renderdoc/os/win32/win32_callstack.cpp
+++ b/renderdoc/os/win32/win32_callstack.cpp
@@ -29,6 +29,7 @@
 #include <windows.h>
 
 #include <Psapi.h>
+#include <commdlg.h>
 #include <shlobj.h>
 #include <tchar.h>
 #include <algorithm>
diff --git a/renderdoc/os/win32/win32_specific.h b/renderdoc/os/win32/win32_specific.h
index 01fca90d4..854e306c2 100644
--- a/renderdoc/os/win32/win32_specific.h
+++ b/renderdoc/os/win32/win32_specific.h
@@ -25,6 +25,9 @@
 
 #pragma once
 
+#define WIN32_LEAN_AND_MEAN
+#define NOMINMAX
+
 #include <intrin.h>
 #include <windows.h>
 #include "data/resource.h"