diff --git a/lib/decode/file b/lib/decode/file
index 5797b9d..c91d7f0 100644
--- a/lib/decode/file
+++ b/lib/decode/file
@@ -160,7 +160,7 @@ decodeFile() {
 			if (( sox_needed ))
 			then
 				cleanup="$tempdir/$tmpfile"
-				decodeSox "$tempdir/$tmpfile"
+				decodeSox "$tempdir/$tmpfile.wav"
 				if ! soxtaskid=$(
 					Select tasks id <<<"key = $tmpfile"
 				)