diff --git a/alsaconf/alsaconf.in b/alsaconf/alsaconf.in
index 041ba71..70daab7 100644
--- a/alsaconf/alsaconf.in
+++ b/alsaconf/alsaconf.in
@@ -17,6 +17,10 @@
 #  (at your option) any later version.
 #
 
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+bindir=@bindir@
+sbindir=@sbindir@
 version=@VERSION@
 
 # Check for GNU/Linux distributions
@@ -618,8 +622,8 @@ BEGIN { in_sound=0; }
     echo Loading driver...
     $rcalsasound start
     echo Setting default volumes...
-    if [ -x /usr/bin/set_default_volume ]; then
-	/usr/bin/set_default_volume -f
+    if [ -x $bindir/set_default_volume ]; then
+	$bindir/set_default_volume -f
     else
 	set_mixers
     fi
@@ -640,7 +644,7 @@ If you have a big amplifier, lower your volumes or say no.
     fi
     if [ ! -r /etc/asound.state ]; then
 	echo "Saving the mixer setup used for this in /etc/asound.state."
-	/usr/sbin/alsactl store
+	$sbindir/alsactl store
     fi
     cat <<END
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