diff --git a/spec/app/buffer-spec.coffee b/spec/app/buffer-spec.coffee
index 2262b1764..7cdf7d4e1 100644
--- a/spec/app/buffer-spec.coffee
+++ b/spec/app/buffer-spec.coffee
@@ -85,6 +85,7 @@ describe 'Buffer', ->
 
     it "returns false after modified buffer is saved", ->
       filePath = "/tmp/atom-tmp-file"
+      fs.write(filePath, '')
       buffer = new Buffer(filePath)
       expect(buffer.isModified()).toBe false