diff --git a/input_dev.c b/input_dev.c
index b2a9a5e..be0bf26 100644
--- a/input_dev.c
+++ b/input_dev.c
@@ -40,11 +40,11 @@ uint32_t input_filter_asus_kb(struct input_event* events, size_t* size, uint32_t
 
     if (events[0].type == EV_REL) {
         return INPUT_FILTER_FLAGS_MOUSE;
-    } else if (events[0].type == EV_KEY) {
+    } else if ((events[0].type == EV_KEY) || (events[1].type == EV_KEY)) {
         if ((events[0].code == BTN_MIDDLE) || (events[0].code == BTN_LEFT) || (events[0].code == BTN_RIGHT)) {
-            return INPUT_FILTER_FLAGS_MOUSE;
+            return INPUT_FILTER_FLAGS_PRESERVE_TIME | INPUT_FILTER_FLAGS_MOUSE;
         } else if ((events[1].code == BTN_MIDDLE) || (events[1].code == BTN_LEFT) || (events[1].code == BTN_RIGHT)) {
-            return INPUT_FILTER_FLAGS_MOUSE;
+            return INPUT_FILTER_FLAGS_PRESERVE_TIME | INPUT_FILTER_FLAGS_MOUSE;
         }
     }