diff --git a/src/atom.h b/src/atom.h
index 0a086e1..6f4eae6 100644
--- a/src/atom.h
+++ b/src/atom.h
@@ -23,8 +23,7 @@
 	WM_CLIENT_MACHINE, \
 	_NET_ACTIVE_WINDOW, \
 	_COMPTON_SHADOW, \
-	_NET_WM_WINDOW_TYPE, \
-    _NET_CURRENT_MON_CENTER
+	_NET_WM_WINDOW_TYPE
 
 #define ATOM_LIST2 \
 	_NET_WM_WINDOW_TYPE_DESKTOP, \
diff --git a/src/event.c b/src/event.c
index 121d0a9..bdcc17b 100644
--- a/src/event.c
+++ b/src/event.c
@@ -452,14 +452,6 @@ static inline void ev_property_notify(session_t *ps, xcb_property_notify_event_t
 	}
 
 	if (ps->root == ev->window) {
-        if (ev->atom == ps->atoms->a_NET_CURRENT_MON_CENTER) {
-            winprop_t prop = x_get_prop(ps->c, ps->root, ps->atoms->a_NET_CURRENT_MON_CENTER, 2L, XCB_ATOM_CARDINAL, 32);
-            if (prop.nitems == 2) {
-                ps->selmon_center_x = prop.p32[0];
-                ps->selmon_center_y = prop.p32[1];
-            }
-            free_winprop(&prop);
-        }
 
 		if (ps->o.use_ewmh_active_win && ps->atoms->a_NET_ACTIVE_WINDOW == ev->atom) {
 			// to update focus
diff --git a/src/picom.c b/src/picom.c
index f00fb06..febe1f2 100644
--- a/src/picom.c
+++ b/src/picom.c
@@ -2441,15 +2441,6 @@ static session_t *session_init(int argc, char **argv, Display *dpy,
 
 	write_pid(ps);
 
-    // When picom starts, fetch monitor positions first. Because it won't fetch the data unless property changes.
-    if (!ps->selmon_center_x && !ps->selmon_center_y) {
-        winprop_t prop = x_get_prop(ps->c, ps->root, ps->atoms->a_NET_CURRENT_MON_CENTER, 2L, XCB_ATOM_CARDINAL, 32);
-        if (prop.nitems == 2) {
-            ps->selmon_center_x = prop.p32[0];
-            ps->selmon_center_y = prop.p32[1];
-        }
-        free_winprop(&prop);
-    }
 	ev_init(&ps->animation_timer, animation_timer_callback);
 
 	if (fork && stderr_logger) {
diff --git a/src/win.c b/src/win.c
index 6f46ea3..130c445 100644
--- a/src/win.c
+++ b/src/win.c
@@ -471,6 +471,14 @@ static void win_update_properties(session_t *ps, struct managed_win *w) {
 
 static void init_animation(session_t *ps, struct managed_win *w) {
 	CLEAR_MASK(w->animation_is_tag)
+	static int32_t randr_mon_center_x, randr_mon_center_y;
+	if (w->randr_monitor == -1) {
+		win_update_monitor(ps->randr_nmonitors, ps->randr_monitor_regs, w);
+		randr_mon_center_x = ps->root_width / 2, randr_mon_center_y = ps->root_height / 2;
+	} else {
+		auto e = pixman_region32_extents(&ps->randr_monitor_regs[w->randr_monitor]);
+		randr_mon_center_x = (e->x1 + e->x2) / 2, randr_mon_center_y = (e->y1 + e->y2) / 2;
+	}
 	static double *anim_x, *anim_y, *anim_w, *anim_h;
 	enum open_window_animation animation;
 	if (ps->o.wintype_option[w->window_type].animation != OPEN_WINDOW_ANIMATION_INVALID
@@ -485,6 +493,7 @@ static void init_animation(session_t *ps, struct managed_win *w) {
 		animation = ps->o.animation_for_transient_window;
 	}
 
+
 	anim_x = &w->animation_center_x, anim_y = &w->animation_center_y;
 	anim_w = &w->animation_w, anim_h = &w->animation_h;
 
@@ -531,9 +540,9 @@ static void init_animation(session_t *ps, struct managed_win *w) {
 		    sqrt(ps->root_width * ps->root_width + ps->root_height * ps->root_height);
 
 		// Set animation
-		*anim_x = ps->selmon_center_x + radius * cos(angle);
-		*anim_y = ps->selmon_center_y + radius * sin(angle);
-		*anim_w  = 0;
+		*anim_x = randr_mon_center_x + radius * cos(angle);
+		*anim_y = randr_mon_center_y + radius * sin(angle);
+		*anim_w = 0;
 		*anim_h = 0;
 		break;
 	case OPEN_WINDOW_ANIMATION_SLIDE_UP: // Slide up the image, without changing its location
@@ -567,7 +576,7 @@ static void init_animation(session_t *ps, struct managed_win *w) {
 		*anim_h = w->pending_g.height;
 		break;
 	case OPEN_WINDOW_ANIMATION_SLIDE_IN_CENTER:
-		*anim_x = ps->selmon_center_x;
+		*anim_x = randr_mon_center_x;
 		*anim_y = w->g.y + w->pending_g.height * 0.5;
 		*anim_w = w->pending_g.width;
 		*anim_h = w->pending_g.height;
@@ -579,7 +588,7 @@ static void init_animation(session_t *ps, struct managed_win *w) {
 		w->animation_dest_h = w->pending_g.height;
 		break;
 	case OPEN_WINDOW_ANIMATION_SLIDE_OUT_CENTER:
-		w->animation_dest_center_x = ps->selmon_center_x;
+		w->animation_dest_center_x = randr_mon_center_x;
 		w->animation_dest_center_y = w->pending_g.y;
 		w->animation_dest_w = w->pending_g.width;
 		w->animation_dest_h = w->pending_g.height;
@@ -596,8 +605,8 @@ static void init_animation(session_t *ps, struct managed_win *w) {
 		*anim_h = 0;
 		break;
 	case OPEN_WINDOW_ANIMATION_MINIMIZE:
-		*anim_x = ps->selmon_center_x;
-		*anim_y = ps->selmon_center_y;
+		*anim_x = randr_mon_center_x;
+		*anim_y = randr_mon_center_y;
 		*anim_w = 0;
 		*anim_h = 0;
 		break;