diff --git a/lib/guard/listeners/linux.rb b/lib/guard/listeners/linux.rb
index 9123d5649..7cf2bdd65 100644
--- a/lib/guard/listeners/linux.rb
+++ b/lib/guard/listeners/linux.rb
@@ -32,8 +32,8 @@ def stop
     #
     # @return [Boolean] whether usable or not
     #
-    def self.usable?(use_vendor = true)
-      $LOAD_PATH << File.expand_path('../../../vendor/linux/lib', __FILE__) if use_vendor
+    def self.usable?(no_vendor = false)
+      $LOAD_PATH << File.expand_path('../../../vendor/linux/lib', __FILE__) unless no_vendor
       require 'rb-inotify'
       true
     rescue LoadError
diff --git a/lib/guard/listeners/windows.rb b/lib/guard/listeners/windows.rb
index 53fe48d8c..c4cb1c12b 100644
--- a/lib/guard/listeners/windows.rb
+++ b/lib/guard/listeners/windows.rb
@@ -29,8 +29,8 @@ def stop
     #
     # @return [Boolean] whether usable or not
     #
-    def self.usable?(use_vendor = true)
-      $LOAD_PATH << File.expand_path('../../../vendor/windows/lib', __FILE__) if use_vendor
+    def self.usable?(no_vendor = false)
+      $LOAD_PATH << File.expand_path('../../../vendor/windows/lib', __FILE__) unless no_vendor
       require 'rb-fchange'
       true
     rescue LoadError