diff --git a/wp-includes/js/tinymce/tiny_mce_gzip.php b/wp-includes/js/tinymce/tiny_mce_gzip.php
index d3d7c7949c..59af4b6b5c 100644
--- a/wp-includes/js/tinymce/tiny_mce_gzip.php
+++ b/wp-includes/js/tinymce/tiny_mce_gzip.php
@@ -119,23 +119,35 @@ if ($index > -1) {
 		$content .= "tinyMCECompressed.loadPlugins();";
 
 	// Add core languages
+	$lang_content = '';
 	foreach ($languages as $lang)
-		$content .= getFileContents("langs/" . $lang . ".js");
+		$lang_content .= getFileContents("langs/" . $lang . ".js");
+	if ( empty($lang_content) )
+		$lang_content .= getFileContents("langs/en.js");
+	$content .= $lang_content;
 
 	// Add themes
 	foreach ($themes as $theme) {
 		$content .= wp_compact_tinymce_js(getFileContents( "themes/" . $theme . "/editor_template" . $suffix . ".js"));
 
+		$lang_content = '';
 		foreach ($languages as $lang)
-			$content .= getFileContents("themes/" . $theme . "/langs/" . $lang . ".js");
+			$lang_content .= getFileContents("themes/" . $theme . "/langs/" . $lang . ".js");
+		if ( empty($lang_content) )
+			$lang_content .= getFileContents("themes/" . $theme . "/langs/en.js");
+		$content .= $lang_content;
 	}
 
 	// Add plugins
 	foreach ($plugins as $plugin) {
 		$content .= getFileContents("plugins/" . $plugin . "/editor_plugin" . $suffix . ".js");
 
+		$lang_content = '';
 		foreach ($languages as $lang)
-			$content .= getFileContents("plugins/" . $plugin . "/langs/" . $lang . ".js");
+			$lang_content .= getFileContents("plugins/" . $plugin . "/langs/" . $lang . ".js");
+		if ( empty($lang_content) )
+			$lang_content .= getFileContents("plugins/" . $plugin . "/langs/en.js");
+		$content .= $lang_content;
 	}
 
 	// Add custom files
diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 625ec296cc..20dadfd13a 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -15,7 +15,7 @@ class WP_Scripts {
 		$this->add( 'sack', '/wp-includes/js/tw-sack.js', false, '1.6.1' );
 		$this->add( 'quicktags', '/wp-includes/js/quicktags.js', false, '3517' );
 		$this->add( 'colorpicker', '/wp-includes/js/colorpicker.js', false, '3517' );
-		$this->add( 'tiny_mce', '/wp-includes/js/tinymce/tiny_mce_gzip.php', false, '20070325' );
+		$this->add( 'tiny_mce', '/wp-includes/js/tinymce/tiny_mce_gzip.php', false, '20070326' );
 		$mce_config = apply_filters('tiny_mce_config_url', '/wp-includes/js/tinymce/tiny_mce_config.php');
 		$this->add( 'wp_tiny_mce', $mce_config, array('tiny_mce'), '20070225' );
 		$this->add( 'prototype', '/wp-includes/js/prototype.js', false, '1.5.0-0');