diff --git a/core/php7.2Action/router.php b/core/php7.2Action/router.php
index 6346800..c3ada90 100644
--- a/core/php7.2Action/router.php
+++ b/core/php7.2Action/router.php
@@ -291,8 +291,8 @@
 function writeSentinels() : void
 {
     // write out sentinels as we've finished all log output
-    writeTo("php://stderr", "XXX_THE_END_OF_A_WHISK_ACTIVATION_XXX");
-    writeTo("php://stdout", "XXX_THE_END_OF_A_WHISK_ACTIVATION_XXX");
+    writeTo("php://stderr", "\nXXX_THE_END_OF_A_WHISK_ACTIVATION_XXX");
+    writeTo("php://stdout", "\nXXX_THE_END_OF_A_WHISK_ACTIVATION_XXX");
 }
 
 /**