diff --git a/install.sh b/install.sh
index d09ad18..4b566e5 100755
--- a/install.sh
+++ b/install.sh
@@ -21,6 +21,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 #
+version="0.1"
 debug="off" # turn "on" for debugging
 # IMPORTANT OPTIONS #
 service_name="rsync-to-picture-frame" # use something specific and memorable