diff --git a/autoload/smooth_scroll.vim b/autoload/smooth_scroll.vim
index 30fd6ca..7dcfdcf 100644
--- a/autoload/smooth_scroll.vim
+++ b/autoload/smooth_scroll.vim
@@ -55,6 +55,7 @@ endfunction
 
 function! s:get_ms_since(time)
   let cost = split(reltimestr(reltime(a:time)), '\.')
-  return str2nr(cost[0])*1000 + str2nr(cost[1])/1000.0
+  return str2nr(cost[0])*1000 + str2nr(cost[1])/1000
 endfunction
 
+