diff --git a/plugins/out_stackdriver/stackdriver.c b/plugins/out_stackdriver/stackdriver.c
index 5c0a2cf8647..a61977f9ad1 100644
--- a/plugins/out_stackdriver/stackdriver.c
+++ b/plugins/out_stackdriver/stackdriver.c
@@ -2764,7 +2764,7 @@ static void cb_stackdriver_flush(struct flb_event_chunk *event_chunk,
     }
 
     if (ctx->test_log_entry_format) {
-        printf("%s", payload_buf);
+        printf("%s\n", payload_buf);
         flb_sds_destroy(payload_buf);
         FLB_OUTPUT_RETURN(FLB_OK);
     }