diff --git a/src/common.h b/src/common.h
index 542c31f..8a0dd5b 100644
--- a/src/common.h
+++ b/src/common.h
@@ -230,6 +230,10 @@ typedef struct session {
 	bool tmout_unredir_hit;
 	/// Whether we need to redraw the screen
 	bool redraw_needed;
+
+	/// Cache a xfixes region so we don't need to allocate it everytime.
+	/// A workaround for yshui/picom#301
+	xcb_xfixes_region_t damaged_region;
 	/// The region needs to painted on next paint.
 	region_t *damage;
 	/// The region damaged on the last paint.
diff --git a/src/event.c b/src/event.c
index 3be46e4..dbba814 100644
--- a/src/event.c
+++ b/src/event.c
@@ -590,11 +590,9 @@ static inline void repair_win(session_t *ps, struct managed_win *w) {
 		set_ignore_cookie(
 		    ps, xcb_damage_subtract(ps->c, w->damage, XCB_NONE, XCB_NONE));
 	} else {
-		xcb_xfixes_region_t tmp = x_new_id(ps->c);
-		xcb_xfixes_create_region(ps->c, tmp, 0, NULL);
-		set_ignore_cookie(ps, xcb_damage_subtract(ps->c, w->damage, XCB_NONE, tmp));
-		x_fetch_region(ps->c, tmp, &parts);
-		xcb_xfixes_destroy_region(ps->c, tmp);
+		set_ignore_cookie(
+		    ps, xcb_damage_subtract(ps->c, w->damage, XCB_NONE, ps->damaged_region));
+		x_fetch_region(ps->c, ps->damaged_region, &parts);
 		pixman_region32_translate(&parts, w->g.x + w->g.border_width,
 		                          w->g.y + w->g.border_width);
 	}
diff --git a/src/picom.c b/src/picom.c
index cff2707..61be577 100644
--- a/src/picom.c
+++ b/src/picom.c
@@ -1742,6 +1742,12 @@ static session_t *session_init(int argc, char **argv, Display *dpy,
 	                                                  XCB_XFIXES_MINOR_VERSION)
 	                             .sequence);
 
+	ps->damaged_region = x_new_id(ps->c);
+	if (!XCB_AWAIT_VOID(xcb_xfixes_create_region, ps->c, ps->damaged_region, 0, NULL)) {
+		log_fatal("Failed to create a XFixes region");
+		goto err;
+	}
+
 	ext_info = xcb_get_extension_data(ps->c, &xcb_glx_id);
 	if (ext_info && ext_info->present) {
 		ps->glx_exists = true;
@@ -2268,6 +2274,11 @@ static void session_destroy(session_t *ps) {
 		ps->debug_window = XCB_NONE;
 	}
 
+	if (ps->damaged_region != XCB_NONE) {
+		xcb_xfixes_destroy_region(ps->c, ps->damaged_region);
+		ps->damaged_region = XCB_NONE;
+	}
+
 	if (ps->o.experimental_backends) {
 		// backend is deinitialized in unredirect()
 		assert(ps->backend_data == NULL);