diff --git a/lib/reporters/simple.js b/lib/reporters/simple.js
index bcf59c0..bc7ad02 100644
--- a/lib/reporters/simple.js
+++ b/lib/reporters/simple.js
@@ -32,8 +32,12 @@ function simpleReporter(results) {
 
   function clearPassed() {
     if (lastPassed) {
-      process.stdout.clearLine();
-      process.stdout.cursorTo(0);
+      if (process.stdout.isTTY) {
+        process.stdout.clearLine();
+        process.stdout.cursorTo(0);
+      } else {
+        process.stdout.write('\n');
+      }
     }
   }
 }