diff --git a/includes/class-dependencies.php b/includes/class-dependencies.php
index 4d31beef..4e920a02 100644
--- a/includes/class-dependencies.php
+++ b/includes/class-dependencies.php
@@ -38,6 +38,7 @@ if ( ! class_exists( 'um\Dependencies' ) ) {
 			'groups'                => '2.0',
 			'instagram'             => '2.0',
 			'invitations'           => '2.0',
+			'frontend-posting'      => '1.0',
 			'mailchimp'             => '2.0.1',
 			'messaging'             => '2.0.5',
 			'mycred'                => '2.0',
diff --git a/includes/class-init.php b/includes/class-init.php
index 1de8286a..6650c222 100644
--- a/includes/class-init.php
+++ b/includes/class-init.php
@@ -438,7 +438,7 @@ if ( ! class_exists( 'UM' ) ) {
 				$array = explode( '\\', strtolower( $class ) );
 				$array[ count( $array ) - 1 ] = 'class-'. end( $array );
 				if ( strpos( $class, 'um_ext' ) === 0 ) {
-					$full_path = str_replace( 'ultimate-member', '', rtrim( um_path, '/' ) ) . str_replace( '_', '-', $array[1] ) . '/includes/';
+					$full_path = str_replace( 'ultimate-member', '', untrailingslashit( um_path ) ) . str_replace( '_', '-', $array[1] ) . DIRECTORY_SEPARATOR . 'includes' . DIRECTORY_SEPARATOR;
 					unset( $array[0], $array[1] );
 					$path = implode( DIRECTORY_SEPARATOR, $array );
 					$path = str_replace( '_', '-', $path );