1 files changed, 1 insertions, 1 deletions
diff --git a/img-save.c b/img-save.c
index 0f4aeaa..a0a5185 100644
--- a/img-save.c
+++ b/img-save.c
@@ -419,7 +419,7 @@ img_save_image(gint32 image, const ImageParasite * plugin,
                             FALSE);
         gimp_pixel_rgn_get_rect(&pixel_rgn, (guchar *) pixels, 0, 0, width,
                                 height);
-        D(("Writing frame #%u of %u (%u bytes)\n", i + 1, nlayers, data_size));
+        D(("Writing frame #%u of %u (%lu bytes)\n", i + 1, nlayers, data_size));
         /*
          * Allow different image type for different layers
          */