diff --git a/etc/codecs.conf b/etc/codecs.conf
index 5d21b6a19d..e2638cf1f6 100644
--- a/etc/codecs.conf
+++ b/etc/codecs.conf
@@ -501,7 +501,7 @@ videocodec ffmjpeg
   status working
   fourcc MJPG,mjpg
   fourcc AVRn,AVDJ  ; AVID
-  fourcc jpeg ; photo-jpeg
+  fourcc jpeg,JPEG ; photo-jpeg
   fourcc mjpa ; Apple MJPEG-A (Quicktime)
   fourcc JFIF ; SMJPEG (Loki)
   fourcc ijpg,IJPG ; -mf type=jpeg
@@ -517,7 +517,7 @@ videocodec ijpg
   info "Independent JPEG Group's codec"
   status working
   fourcc ijpg,IJPG   ; -mf type=jpeg
-  fourcc jpeg        ; MOV Photo Jpeg
+  fourcc jpeg,JPEG  ; MOV Photo Jpeg
   fourcc AVRn,AVDJ  ; AVID
   driver ijpg
   dll libjpeg
@@ -564,6 +564,7 @@ videocodec LEAD
   comment "supports interlaced MJPEG"
   fourcc MJPG
   fourcc jpeg MJPG  ; MOV Photo Jpeg
+  fourcc JPEG MJPG  ; AVI Photo Jpeg
   driver vfw
   dll "LCodcCMP.dll"
   out BGR24,BGR15