diff --git a/Matlab/rbeast_update.m b/Matlab/rbeast_update.m
index 6f09888..efe70bc 100644
--- a/Matlab/rbeast_update.m
+++ b/Matlab/rbeast_update.m
@@ -18,6 +18,7 @@
     y = input(str,'s');
     if strcmp(y,'y')
         beastPath=rbeast_path();
+		rbeast_uninstall();
         eval(webread('http://b.link/beast',weboptions('cert','')));
     end
 else