diff --git a/etc/codecs.conf b/etc/codecs.conf
index c10e068945..cf7a68d393 100644
--- a/etc/codecs.conf
+++ b/etc/codecs.conf
@@ -310,6 +310,14 @@ videocodec qtrle
   driver qtrle
   out BGR32,BGR24
 
+audiocodec imaadpcm
+  info "IMA ADPCM"
+  status working
+  format 0x11
+  format 0x34616d69  ; "ima4" (MOV files)
+  driver adpcm
+  dll "imaadpcm"
+
 ; =============== WINDOWS DLL's ==============
 
 videocodec vp3