diff --git a/ChangeLog b/ChangeLog
index 52d5e22ac..fbe9fbc08 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,7 @@
    various files: patches by Robert (Neval, Nintegrate) from Jan 3 2010 and 
    10 patches from Jan 16, 2010
  * com_hardcopy.c: switching graphics context correctly for postscript output
+ * winmaun.c: parameter 4 to SystemParametersInfo() corrected
 
 2010-01-16 Dietmar Warning
  * tests/transmission: Only few tests should be easier, more examples under 
diff --git a/src/winmain.c b/src/winmain.c
index f04678643..bab9ddc75 100644
--- a/src/winmain.c
+++ b/src/winmain.c
@@ -831,7 +831,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLi
     if (!RegisterClass( &hwElementClass)) goto THE_END;
 
     /*Create main window */
-	SystemParametersInfo(SPI_GETWORKAREA, 0, &wsize, NULL);
+	SystemParametersInfo(SPI_GETWORKAREA, 0, &wsize, 0);
     iy = wsize.bottom;
 	iyt = iy / 3;
 	ix = wsize.right;