diff --git a/res/fxconv-metadata.txt b/res/fxconv-metadata.txt
index 7723342..cfeaf7c 100644
--- a/res/fxconv-metadata.txt
+++ b/res/fxconv-metadata.txt
@@ -1,5 +1,6 @@
 *.png:
   type: bopti-image
+  profile: p4
   name_regex: (.*)\.png bimg_\1
 *.kble:
   type: binary