diff --git a/toys/checkextensions b/toys/checkextensions
index 39aa2cf..2d33d7a 100755
--- a/toys/checkextensions
+++ b/toys/checkextensions
@@ -197,7 +197,7 @@ do
 		;;
 		'application/data')
 			extendedtype=$(file -b "$sourcepath/$filename")
-			[[ $extendedtype =~ Mmeusepack ]] || continue
+			[[ $extendedtype =~ Musepack ]] || continue
 			if [[ ${filename##*.} != flac ]]
 			then
 				format=mpc