diff --git a/install.sh b/install.sh
index b54acd4..8744534 100755
--- a/install.sh
+++ b/install.sh
@@ -11,6 +11,9 @@ OLDPATH=`pwd`
 cd $HOME
 for file in $FILES
 do
-    ln -s ${SCRIPTPATH}/${file} .${file}
+    if [ ! -f .${file} ]
+    then
+        ln -s ${SCRIPTPATH}/${file} .${file}
+    fi
 done
 cd $OLDPATH