diff --git a/rtupdate b/rtupdate
index b3f9b30..4563d24 100644
--- a/rtupdate
+++ b/rtupdate
@@ -76,9 +76,13 @@ echo "Installing $libvers/$rtvers"
 
 cd $HOME
 
-rm -f rtgetscripts
-wget -q --no-check-certificate $RTDIR/rtgetscripts
-bash rtgetscripts
+if [ -x /usr/local/bin/rtgetscripts ]; then
+  rtgetscripts
+else
+  rm -f rtgetscripts
+  wget -q --no-check-certificate $RTDIR/rtgetscripts
+  bash rtgetscripts
+fi
 
 if [ -d source ]; then
   cd source