diff --git a/.gitignore b/.gitignore
index 8600a9e70..50838623a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,7 @@ lib-cov
 
 # Coverage directory used by tools like istanbul
 coverage
+.nyc_output
 
 # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
 .grunt