diff --git a/vips/vips.c b/vips/vips.c
index a3109c46..a999c95f 100644
--- a/vips/vips.c
+++ b/vips/vips.c
@@ -647,7 +647,7 @@ vips_pngsave_go(VipsImage *in, void **buf, size_t *len, int interlace, int quant
   if (!quantize)
     return vips_pngsave_buffer(
       in, buf, len,
-      "filter", VIPS_FOREIGN_PNG_FILTER_NONE,
+      "filter", VIPS_FOREIGN_PNG_FILTER_ALL,
       "interlace", interlace,
       NULL
     );