diff --git a/src/win32/MainWnd.cpp b/src/win32/MainWnd.cpp
index 5a12e6b2..a41fa24e 100644
--- a/src/win32/MainWnd.cpp
+++ b/src/win32/MainWnd.cpp
@@ -3,6 +3,7 @@
 #include "MainWnd.h"
 
 #include <winsock.h>
+#include <shlwapi.h>
 
 #include "FileDlg.h"
 #include "Reg.h"
@@ -48,6 +49,12 @@ MainWnd::~MainWnd()
 {
 }
 
+bool MainWnd::fileExists( LPCTSTR lpFileName )
+{
+	// check if file exists
+	return GetFileAttributes( lpFileName ) != INVALID_FILE_ATTRIBUTES;
+}
+
 
 BEGIN_MESSAGE_MAP(MainWnd, CWnd)
   //{{AFX_MSG_MAP(MainWnd)
@@ -1154,9 +1161,7 @@ void MainWnd::screenCapture(int captureNumber)
                   captureNumber,
                   ext);
 
-  // check if file exists
-  DWORD dwAttr = GetFileAttributes( buffer );
-  if( dwAttr != INVALID_FILE_ATTRIBUTES ) {
+  if( fileExists( buffer ) ) {
 	  // screenshot file already exists
 	  screenCapture(++captureNumber);
 	  // this will recursively use the first non-existent screenshot number
diff --git a/src/win32/MainWnd.h b/src/win32/MainWnd.h
index 48b39998..b1fa8d8d 100644
--- a/src/win32/MainWnd.h
+++ b/src/win32/MainWnd.h
@@ -30,6 +30,9 @@ public:
 	void winSaveCheatList(const char *name);
 	void winSaveCheatListDefault();
 
+private:
+	bool fileExists( LPCTSTR lpFileName );
+
 
 	DECLARE_MESSAGE_MAP()