diff --git a/misc/mc.ext.ini.in b/misc/mc.ext.ini.in
index 8ccf86c7c..c2152ee44 100644
--- a/misc/mc.ext.ini.in
+++ b/misc/mc.ext.ini.in
@@ -581,6 +581,10 @@ Shell=.webp
 View=%view{ascii} @EXTHELPERSDIR@/image.sh view webp
 Open=@EXTHELPERSDIR@/image.sh open webp
 
+[avif]
+Shell=.avif
+View=%view{ascii} @EXTHELPERSDIR@/image.sh view avif
+Open=@EXTHELPERSDIR@/image.sh open avif
 
 ### Sound files ###