Index: reactos/win32ss/user/ntuser/clipboard.c
===================================================================
--- reactos/win32ss/user/ntuser/clipboard.c	(revision 72030)
+++ reactos/win32ss/user/ntuser/clipboard.c	(working copy)
@@ -154,6 +154,8 @@
     }
 
     /* Get information about the bitmap format */
+    RtlZeroMemory(pbmi, sizeof(bmiBuffer));
+    pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
     iResult = GreGetDIBitsInternal(hdc,
                                    hbm,
                                    0,