diff --git a/omvs_gst.c b/omvs_gst.c
index 9c63fb8..538d20b 100644
--- a/omvs_gst.c
+++ b/omvs_gst.c
@@ -40,7 +40,7 @@ OMVSGst omvs_gst_open(const gchar *uri, const gchar *filename) {
   g_object_set(G_OBJECT(play), "uri", uri, NULL);
   conv = gst_element_factory_make("queue", "conv");
   png = gst_element_factory_make("pngenc", "png");
-  g_object_set(G_OBJECT(png), "snapshot", 1, NULL);
+  g_object_set(G_OBJECT(png), "snapshot", 1, "compression-level", 9, NULL);
   file = gst_element_factory_make("multifilesink", "file");
   g_object_set(G_OBJECT(file), "max-files", 1, "location", filename, NULL);