Index: applications/editors/josm/plugins/wmsplugin/webkit-image.cpp
===================================================================
--- applications/editors/josm/plugins/wmsplugin/webkit-image.cpp	(revision 11349)
+++ applications/editors/josm/plugins/wmsplugin/webkit-image.cpp	(revision 11394)
@@ -9,4 +9,13 @@
 #include <QtCore/QDebug>
 #include <QtWebKit/QWebView>
+
+/* using mingw to set binary mode */
+#ifdef WIN32
+#include <io.h>
+#include <fcntl.h>
+#define BINARYSTDOUT setmode(fileno(stdout), O_BINARY);
+#else
+#define BINARYSTDOUT
+#endif
 
 #define WIDTH 2000
@@ -54,5 +63,6 @@
       QPixmap p = QPixmap::grabWidget(view, 0,0,xsize,ysize);
       QFile f;
-      if(f.open(stdout,QIODevice::WriteOnly|QIODevice::Unbuffered))
+      BINARYSTDOUT
+      if(f.open(stdout, QIODevice::WriteOnly|QIODevice::Unbuffered))
         p.save(&f, "PNG");
     }