diff --git a/src/beautifiers/php-cs-fixer.coffee b/src/beautifiers/php-cs-fixer.coffee
index cfdbc0d..78d67bd 100644
--- a/src/beautifiers/php-cs-fixer.coffee
+++ b/src/beautifiers/php-cs-fixer.coffee
@@ -61,7 +61,7 @@ module.exports = class PHPCSFixer extends Beautifier
       options.cs_fixer_config_file = if context? and context.filePath? then @findFile(path.dirname(context.filePath), configFiles)
 
     # Try again to find a config file in the project root
-    if not options.cs_fixer_config_file
+    if not options.cs_fixer_config_file and atom.project.getPaths()[0]
       options.cs_fixer_config_file = @findFile(atom.project.getPaths()[0], configFiles)
 
     phpCsFixerOptions = [