diff --git a/php/class-coauthors-plus.php b/php/class-coauthors-plus.php
index 57896031..094639d6 100644
--- a/php/class-coauthors-plus.php
+++ b/php/class-coauthors-plus.php
@@ -1826,6 +1826,15 @@ public function filter_pre_get_avatar_data_url( $args, $id ) {
 			return $args;
 		}
 
+		// Do not filter on the post list screen, profile screen, and post takeover pop-up.
+		if ( isset( $current_screen->base ) && ( 'post' === $current_screen->base || 'profile' === $current_screen->base || 'edit' === $current_screen->base ) ) {
+			return $args;
+		}
+
+		// Do not filter the avatar if this is doing a heartbeat request on WP refresh lock.
+		if ( wp_doing_ajax() && isset( $_POST['action'] ) &&  'heartbeat' === $_POST['action'] ) {
+			return $args;
+		}
 
 		$coauthor = $this->get_coauthor_by( 'id', $id );
 		if ( false !== $coauthor && isset( $coauthor->type ) && 'guest-author' === $coauthor->type ) {