diff --git a/extern/igfd/ImGuiFileDialog.cpp b/extern/igfd/ImGuiFileDialog.cpp
index 98d6c909a..f4641e976 100644
--- a/extern/igfd/ImGuiFileDialog.cpp
+++ b/extern/igfd/ImGuiFileDialog.cpp
@@ -44,10 +44,7 @@ SOFTWARE.
 #if defined (__EMSCRIPTEN__) // EMSCRIPTEN
 	#include <emscripten.h>
 #endif // EMSCRIPTEN
-#if defined(__WIN32__) || defined(_WIN32)
-	#ifndef WIN32
-		#define WIN32
-	#endif // WIN32
+#ifdef WIN32
 	#define stat _stat
 	#define stricmp _stricmp
 	#include <cctype>
diff --git a/extern/igfd/ImGuiFileDialog.h b/extern/igfd/ImGuiFileDialog.h
index 016bd9a10..e5ba92d0c 100644
--- a/extern/igfd/ImGuiFileDialog.h
+++ b/extern/igfd/ImGuiFileDialog.h
@@ -581,6 +581,12 @@ ImGuiFontStudio is using also ImGuiFileDialog.
 #ifndef IMGUIFILEDIALOG_H
 #define IMGUIFILEDIALOG_H
 
+#if defined(__WIN32__) || defined(_WIN32)
+	#ifndef WIN32
+		#define WIN32
+	#endif // WIN32
+#endif // defined(__WIN32__) || defined(_WIN32)
+
 #define IMGUIFILEDIALOG_VERSION "v0.6.4"
 
 #ifndef CUSTOM_IMGUIFILEDIALOG_CONFIG