diff --git a/wp-includes/class-wp-site-query.php b/wp-includes/class-wp-site-query.php
index d963c5edb4..3d2f4f173b 100644
--- a/wp-includes/class-wp-site-query.php
+++ b/wp-includes/class-wp-site-query.php
@@ -570,7 +570,8 @@ class WP_Site_Query {
 			$this->sql_clauses['where']['date_query'] = preg_replace( '/^\s*AND\s*/', '', $this->date_query->get_sql() );
 		}
 
-		$join = '';
+		$join    = '';
+		$groupby = '';
 
 		if ( ! empty( $this->meta_query_clauses ) ) {
 			$join .= $this->meta_query_clauses['join'];
@@ -585,8 +586,6 @@ class WP_Site_Query {
 
 		$where = implode( ' AND ', $this->sql_clauses['where'] );
 
-		$groupby = '';
-
 		$pieces = array( 'fields', 'join', 'where', 'orderby', 'limits', 'groupby' );
 
 		/**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 31590d5032..19d346f30b 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.1-alpha-44184';
+$wp_version = '5.1-alpha-44186';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.