diff --git a/phpBB/includes/acp/acp_styles.php b/phpBB/includes/acp/acp_styles.php
index 166ad11d3e..fbf3eadcb2 100644
--- a/phpBB/includes/acp/acp_styles.php
+++ b/phpBB/includes/acp/acp_styles.php
@@ -747,7 +747,8 @@ parse_css_file = {PARSE_CSS_FILE}
 			{
 				if (!($fp = @fopen($file, 'wb')))
 				{
-					trigger_error($user->lang['NO_TEMPLATE'] . adm_back_link($this->u_action), E_USER_WARNING);
+					// File exists and is writeable, but still not able to be written to
+					trigger_error(sprintf($user->lang['TEMPLATE_FILE_NOT_WRITABLE'], htmlspecialchars($template_file)) . adm_back_link($this->u_action), E_USER_WARNING);
 				}
 				fwrite($fp, $template_data);
 				fclose($fp);
diff --git a/phpBB/language/en/acp/styles.php b/phpBB/language/en/acp/styles.php
index eb742fd140..247d8a4140 100644
--- a/phpBB/language/en/acp/styles.php
+++ b/phpBB/language/en/acp/styles.php
@@ -392,6 +392,7 @@ $lang = array_merge($lang, array(
 	'TEMPLATE_LOCATION'			=> 'Store templates in',
 	'TEMPLATE_LOCATION_EXPLAIN'	=> 'Images are always stored on the filesystem.',
 	'TEMPLATE_NAME'				=> 'Template name',
+	'TEMPLATE_FILE_NOT_WRITABLE'=> 'Unable to write to template file %s. Please check the permissions for the directory and the files.',
 	'TEMPLATE_REFRESHED'		=> 'Template refreshed successfully.',
 
 	'THEME_ADDED'				=> 'New theme added on filesystem.',