diff --git a/src/common.h b/src/common.h
index 9498ebe..27d0076 100644
--- a/src/common.h
+++ b/src/common.h
@@ -529,6 +529,6 @@ static inline void wintype_arr_enable(bool arr[]) {
 }
 
 /**
- * Get current system clock in milliseconds.
+ * Get current system clock in 40 microseconds.
  */
 int64_t get_time_ms(void);
diff --git a/src/event.c b/src/event.c
index 62f62bf..05197e2 100644
--- a/src/event.c
+++ b/src/event.c
@@ -203,7 +203,7 @@ static void configure_win(session_t *ps, xcb_configure_notify_event_t *ce) {
 	auto mw = (struct managed_win *)w;
 
     float t = get_time_ms();
-    if (mw->oldX == -30000 && mw->oldY == -30000 && mw->oldW == 0 && mw->oldH == 0) {
+    if (mw->oldX == -500 && mw->oldY == -500 && mw->oldW == 0 && mw->oldH == 0) {
         if (!mw->isOld) {
             /* mw->isOld = true; */
 
diff --git a/src/picom.c b/src/picom.c
index d2dc1fe..8a728cb 100644
--- a/src/picom.c
+++ b/src/picom.c
@@ -124,14 +124,16 @@ static inline void free_xinerama_info(session_t *ps) {
 }
 
 /**
- * Get current system clock in milliseconds.
+ * Get current system clock in 40micro second accuracy.
  */
 int64_t get_time_ms(void) {
 	struct timespec tp;
 	clock_gettime(CLOCK_MONOTONIC, &tp);
-	return (int64_t)tp.tv_sec * 1000 + (int64_t)tp.tv_nsec / 1000000;
+/*	return (int64_t)tp.tv_sec * 1000 + (int64_t)tp.tv_nsec / 1000000; //ultra high refresh */
+	return (int64_t)tp.tv_sec * 100 + (int64_t)tp.tv_nsec / 250000; //ultra high refresh
 }
 
+
 // XXX Move to x.c
 void cxinerama_upd_scrs(session_t *ps) {
 	// XXX Consider deprecating Xinerama, switch to RandR when necessary
diff --git a/src/win.c b/src/win.c
index a830082..9151682 100644
--- a/src/win.c
+++ b/src/win.c
@@ -1191,8 +1191,8 @@ struct win *fill_win(session_t *ps, struct win *w) {
 	    .invert_color = false,
 	    .blur_background = false,
 
-        .oldX = -30000,
-        .oldY = -30000,
+        .oldX = -10000,
+        .oldY = -10000,
         .oldW = 0,
         .oldH = 0,
 
@@ -2088,8 +2088,8 @@ void map_win_start(session_t *ps, struct managed_win *w) {
 	w->a.map_state = XCB_MAP_STATE_VIEWABLE;
 
     if (!w->isOld) {
-        w->oldX = -10000;
-        w->oldY = -10000;
+        w->oldX = -1000;
+        w->oldY = -1000;
         w->oldW = 0;
         w->oldH = 0;
     }