Index: src/bbpress.php
===================================================================
--- src/bbpress.php	(revision 7009)
+++ src/bbpress.php	(working copy)
@@ -113,7 +113,7 @@
 
 		// Only run these methods if they haven't been ran previously
 		if ( null === $instance ) {
-			$instance = new bbPress;
+			$instance = new bbPress();
 			$instance->setup_environment();
 			$instance->includes();
 			$instance->setup_variables();
@@ -812,7 +812,7 @@
 		$class_name = "BBP_User_Engagements_{$strategy}";
 
 		// Setup the engagements interface
-		$this->engagements = new $class_name;
+		$this->engagements = new $class_name();
 	}
 
 	/**
Index: src/includes/admin/tools/converter.php
===================================================================
--- src/includes/admin/tools/converter.php	(revision 7009)
+++ src/includes/admin/tools/converter.php	(working copy)
@@ -91,7 +91,7 @@
 
 		// Try to instantiate the converter object
 		if ( class_exists( $platform ) ) {
-			$converter = new $platform;
+			$converter = new $platform();
 		}
 	}
 
Index: src/includes/extend/buddypress/loader.php
===================================================================
--- src/includes/extend/buddypress/loader.php	(revision 7009)
+++ src/includes/extend/buddypress/loader.php	(working copy)
@@ -146,11 +146,11 @@
 	public function setup_components() {
 
 		// Always load the members component
-		bbpress()->extend->buddypress->members = new BBP_BuddyPress_Members;
+		bbpress()->extend->buddypress->members = new BBP_BuddyPress_Members();
 
 		// Create new activity class
 		if ( bp_is_active( 'activity' ) ) {
-			bbpress()->extend->buddypress->activity = new BBP_BuddyPress_Activity;
+			bbpress()->extend->buddypress->activity = new BBP_BuddyPress_Activity();
 		}
 
 		// Register the group extension only if groups are active
Index: src/includes/replies/template.php
===================================================================
--- src/includes/replies/template.php	(revision 7009)
+++ src/includes/replies/template.php	(working copy)
@@ -235,7 +235,7 @@
 
 		// Figure out total pages
 		if ( true === $r['hierarchical'] ) {
-			$walker      = new BBP_Walker_Reply;
+			$walker      = new BBP_Walker_Reply();
 			$total_pages = ceil( $walker->get_number_of_root_elements( $bbp->reply_query->posts ) / $bbp->reply_query->posts_per_page );
 		} else {
 
@@ -2373,7 +2373,7 @@
 
 		// We are threading replies
 		if ( bbp_thread_replies() ) {
-			$walker  = new BBP_Walker_Reply;
+			$walker  = new BBP_Walker_Reply();
 			$threads = absint( $walker->get_number_of_root_elements( $bbp->reply_query->posts ) - 1 );
 			$retstr  = sprintf( _n( 'Viewing %1$s reply thread', 'Viewing %1$s reply threads', $threads, 'bbpress' ), bbp_number_format( $threads ) );
 
Index: src/includes/replies/functions.php
===================================================================
--- src/includes/replies/functions.php	(revision 7009)
+++ src/includes/replies/functions.php	(working copy)
@@ -2387,7 +2387,7 @@
 
 	// Parse arguments
 	$r = bbp_parse_args( $args, array(
-		'walker'       => new BBP_Walker_Reply,
+		'walker'       => new BBP_Walker_Reply(),
 		'max_depth'    => bbp_thread_replies_depth(),
 		'style'        => 'ul',
 		'callback'     => null,