diff --git a/test/e2e/cli/attach.sh b/test/e2e/cli/attach.sh
index 56bdb83f2..d16192fc7 100644
--- a/test/e2e/cli/attach.sh
+++ b/test/e2e/cli/attach.sh
@@ -11,6 +11,17 @@ $pm2 start stdin.js -o out-rel.log --merge-logs
 # Send LINE\n to stdin application
 $pm2 send 0 "LINE"
 
+# Wait for log to be written with circuit breaker
+max_attempts=5
+attempt=0
+while [ $attempt -lt $max_attempts ]; do
+  if grep -q "LINE" out-rel.log 2>/dev/null; then
+    break
+  fi
+  sleep 0.1
+  attempt=$((attempt + 1))
+done
+
 cat out-rel.log
 grep "LINE" out-rel.log
 spec "Should have reveived line"