diff --git a/win32ss/gdi/gdi32/include/gdi32p.h b/win32ss/gdi/gdi32/include/gdi32p.h
index 50c13f856a..c8308bf65e 100644
--- a/win32ss/gdi/gdi32/include/gdi32p.h
+++ b/win32ss/gdi/gdi32/include/gdi32p.h
@@ -393,7 +393,7 @@ GdiAllocBatchCommand(
     if (!pTeb || !pTeb->Win32ThreadInfo) return NULL;
 
     /* Get the size of the entry */
-    if      (Cmd == GdiBCPatBlt) cjSize = sizeof(GDIBSPATBLT);
+    if      (Cmd == GdiBCPatBlt) cjSize = 0; //sizeof(GDIBSPATBLT);
     else if (Cmd == GdiBCPolyPatBlt) cjSize = sizeof(GDIBSPPATBLT);
     else if (Cmd == GdiBCTextOut) cjSize = sizeof(GDIBSTEXTOUT);
     else if (Cmd == GdiBCExtTextOut) cjSize = sizeof(GDIBSEXTTEXTOUT);