diff --git a/wp-admin/includes/class-wp-plugins-list-table.php b/wp-admin/includes/class-wp-plugins-list-table.php
index 392d3e4b2c..4204cf93b3 100644
--- a/wp-admin/includes/class-wp-plugins-list-table.php
+++ b/wp-admin/includes/class-wp-plugins-list-table.php
@@ -816,7 +816,7 @@ class WP_Plugins_List_Table extends WP_List_Table {
 					echo "</div></td>";
 					break;
 				default:
-					$classes = "$column_name column-$column_name$class";
+					$classes = "$column_name column-$column_name $class";
 
 					echo "<td class='$classes{$extra_classes}'>";
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d812d1ef49..82b70e9fc5 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-beta4-38148';
+$wp_version = '4.6-beta4-38149';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.