Fix #610

lua/cmp/core.lua

@@ -245,17 +245,21 @@ core.complete = function(self, ctx, source_configs)
               return
             end
           end
+          if not self.view:get_active_entry() then
             self.filter.timeout = self.view:visible() and THROTTLE_TIME or 0
             self:filter()
           end
         end
+      end
     end)(s)
     s:complete(ctx, callback)
   end
 
+  if not self.view:get_active_entry() then
     self.filter.timeout = THROTTLE_TIME
     self:filter()
   end
+end
 
 ---Update completion menu
 core.filter = async.throttle(
@@ -264,7 +268,6 @@ core.filter = async.throttle(
 
     local ignore = false
     ignore = ignore or not api.is_suitable_mode()
-    ignore = ignore or self.view:get_active_entry()
     if ignore then
       return
     end