diff --git a/lch b/lch
index 2215305..51eb462 100755
--- a/lch
+++ b/lch
@@ -1,12 +1,12 @@
 #!/bin/bash
-VERSION=0.4r2
+VERSION=0.4r3
 DEST=$1
 shift 1
 ORIG=$@
 
-if [ -z /usr/lib/lch/compressor.sh ]; then . /usr/lib/lch/compressor.sh; else . ./lib/compressor.sh; fi
-if [ -z /usr/lib/lch/decompressor.sh ]; then . /usr/lib/lch/decompressor.sh; else . ./lib/decompressor.sh; fi
-if [ -z /usr/lib/lch/check.sh ]; then . /usr/lib/lch/check.sh; else . ./lib/check.sh; fi
+if [[ -e /usr/lib/lch/compressor.sh ]]; then . /usr/lib/lch/compressor.sh; else . ./lib/compressor.sh; fi
+if [[ -e /usr/lib/lch/decompressor.sh ]]; then . /usr/lib/lch/decompressor.sh; else . ./lib/decompressor.sh; fi
+if [[ -e /usr/lib/lch/check.sh ]]; then . /usr/lib/lch/check.sh; else . ./lib/check.sh; fi
 
 function help()
 {
diff --git a/uninstall.sh b/uninstall.sh
index c3cb94b..e235d46 100644
--- a/uninstall.sh
+++ b/uninstall.sh
@@ -2,7 +2,7 @@
 
 if [ "$UID" != "0" ]; then 
   echo " Only root can execute this script, sorry."
-  echo " Try 'sudo ./uninstall.sh'"
+  echo " Try 'sudo $0'"
   exit 0
 fi
 
@@ -33,10 +33,9 @@ if [[ -f "$MANDIR/lch.1.gz" ]]; then
   rm "$MANDIR/lch.1.gz"
 fi
 
-echo "============================="
+echo "=============================="
 echo " lch uninstalled successfully."
-echo "============================="
-echo ""
+echo -e "==============================\n"