diff --git a/dlls/gdiplus/image.c b/dlls/gdiplus/image.c
index 3de6ff01e1d..a89b6ea0b7d 100644
--- a/dlls/gdiplus/image.c
+++ b/dlls/gdiplus/image.c
@@ -759,6 +759,7 @@ GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
         IPicture_get_Handle(pic, &hbm);
         IPicture_get_CurDC(pic, &hdc);
 
+        ZeroMemory(&bmi, sizeof(bmi));
         bmch = (BITMAPCOREHEADER*) (&bmi.bmiHeader);
         bmch->bcSize = sizeof(BITMAPCOREHEADER);