diff --git a/davmail.sh b/davmail.sh
index ffb8275b..af36b8c8 100644
--- a/davmail.sh
+++ b/davmail.sh
@@ -2,5 +2,6 @@
 # install java :
 # sudo apt-get install sun-java6-bin
 # launch davmail :
-for i in lib/*; do export CLASSPATH=$CLASSPATH:$i; done
-java -cp davmail.jar:$CLASSPATH davmail.DavGateway $1
+BASE=`dirname $0`
+for i in $BASE/lib/*; do export CLASSPATH=$CLASSPATH:$i; done
+java -cp $BASE/davmail.jar:$CLASSPATH davmail.DavGateway $1