diff --git a/debug-output-sound.sh b/debug-output-sound.sh
index c69ed5b..bc55551 100755
--- a/debug-output-sound.sh
+++ b/debug-output-sound.sh
@@ -5,9 +5,8 @@ set -e
 
 name=$1; shift
 
-lspci -k > ${name}-lspci-kk
-dmesg > ${name}-dmesg
-aplay -l > ${name}-aplay-l
-lsmod > ${name}-lsmod
-lsmod > ${name}-lsmod
-alsa-info.sh --output ${name}-alsainfo
+lspci -k > ${name}-lspci-kk.txt
+dmesg > ${name}-dmesg.txt
+aplay -l > ${name}-aplay-l.txt
+lsmod > ${name}-lsmod.txt
+alsa-info.sh --output ${name}-alsainfo.txt