diff --git src/bp-activity/bp-activity-filters.php src/bp-activity/bp-activity-filters.php
index 8a0e347..1582288 100644
--- src/bp-activity/bp-activity-filters.php
+++ src/bp-activity/bp-activity-filters.php
@@ -444,7 +444,7 @@ function bp_activity_truncate_entry( $text, $args = array() ) {
 	 * been truncated), add the "Read More" link. Note that bp_create_excerpt() is stripping
 	 * shortcodes, so we have strip them from the $text before the comparison.
 	 */
-	if ( strlen( $excerpt ) > strlen( strip_shortcodes( $text ) ) ) {
+	if ( strlen( $excerpt ) < strlen( strip_shortcodes( $text ) ) ) {
 		$id = !empty( $activities_template->activity->current_comment->id ) ? 'acomment-read-more-' . $activities_template->activity->current_comment->id : 'activity-read-more-' . bp_get_activity_id();
 
 		$excerpt = sprintf( '%1$s<span class="activity-read-more" id="%2$s"><a href="%3$s" rel="nofollow">%4$s</a></span>', $excerpt, $id, bp_get_activity_thread_permalink(), $append_text );